can you help me with these questions and show me how to solve them??? PLEASE

can you double check my answers.
Problem 5.17
Your finance text book sold 49,000 copies in its first year. The publishing company expects the sales to grow at a rate of 21.0 percent for the next three years, and by 13.0 percent in the fourth year. Calculate the total number of copies that the publisher expects to sell in year 3 and 4. (If you solve this problem with algebra round intermediate calculations to 6 decimal places, in all cases round your final answers to the nearest whole number.)
Number of copies sold after 3 years?
Number of copies sold in the fourth year?

Problem 5.21
Find the present value of $2,500 under each of the following rates and periods. (If you solve this problem with algebra round intermediate calculations to 6 decimal places, in all cases round your final answer to the nearest penny.)
a.8.9 percent compounded monthly for five years.
Present value$

b.6.6 percent compounded quarterly for eight years.
Present value$

c.4.3 percent compounded daily for four years.
Present value$

d.5.7 percent compounded continuously for three years.
Present value$

Problem 6.19
Trigen Corp. management will invest cash flows of $772,380, $776,008, $982,094, $818,400, $1,239,644, and $1,617,848 in research and development over the next six years. If the appropriate interest rate is 9.56 percent, what is the future value of these investment cash flows six years from today? (Round answer to 2 decimal places, e.g. 15.25.)
Future value$

Problem 6.27
You wrote a piece of software that does a better job of allowing computers to network than any other program designed for this purpose. A large networking company wants to incorporate your software into their systems and is offering to pay you $502,000 today, plus $502,000 at the end of each of the following six years for permission to do this. If the appropriate interest rate is 6 percent, what is the present value of the cash flow stream that the company is offering you? (Round answer to the nearest whole dollar, e.g. 5,275.)
Present value$

Problem 7.16
Barbara is considering investing in a stock and is aware that the return on that investment is particularly sensitive to how the economy is performing. Her analysis suggests that four states of the economy can affect the return on the investment. Using the table of returns and probabilities below, find
Probability Return
________________________________________
Boom 0.7 25.00%
Good 0.1 15.00%
Level 0.1 10.00%
Slump 0.1 -5.00%
________________________________________

What is the expected return on Barbara’s investment? (Round answer to 3 decimal places, e.g. 0.076.)

Expected return

Problem 8.24
Trevor Price bought 10-year bonds issued by Harvest Foods five years ago for $976.42. The bonds make semiannual coupon payments at a rate of 8.4 percent. If the current price of the bonds is $1,014.85, what is the yield that Trevor would earn by selling the bonds today? (Round intermediate calculations to 4 decimal places, e.g. 1.2514 and final answer to 2 decimal places, e.g. 15.25%.)

Effective annual yield ____%

Problem 9.15
The First Bank of Ellicott City has issued perpetual preferred stock with a $100 par value. The bank pays a quarterly dividend of $1.65 on this stock. What is the current price of this preferred stock given a required rate of return of 10.0 percent? (Round answer to 2 decimal places, e.g. 15.25.)

Current price $66.00

$66 is for what?

Sure, I can help you with these questions. I'll explain how to solve each problem and provide the answers.

Problem 5.17:
To calculate the total number of copies that the publisher expects to sell in year 3 and 4, we need to calculate the sales in each year separately.

In year 3, the sales will be 49,000 copies (initial sales) multiplied by the growth rate of 21.0% for three years.
So, the number of copies sold in year 3 would be: 49,000 * (1 + 0.21)^3.

In year 4, the sales will be the sales of year 3 multiplied by the growth rate of 13.0%.
So, the number of copies sold in year 4 would be: (number of copies sold in year 3) * (1 + 0.13).

Plug in the values and calculate the answers.

Number of copies sold after 3 years: 49,000 * (1 + 0.21)^3
Number of copies sold in the fourth year: (number of copies sold after 3 years) * (1 + 0.13)

Problem 5.21:
To find the present value of $2,500 under different interest rates and compounding periods, we'll use the present value formula.

The present value formula is given by: PV = FV / (1 + r/n)^(n*t), where:
PV = Present Value
FV = Future Value
r = Interest Rate (as a decimal)
n = Number of compounding periods per year
t = Number of years

For each part of the problem, plug in the values into the formula and calculate the present value.

a. Present Value with 8.9% compounded monthly for five years:
PV = 2,500 / (1 + 0.089/12)^(12*5)

Follow the same process for the other parts of the problem, using the appropriate values for interest rate, compounding period, and number of years.

b. Present Value with 6.6% compounded quarterly for eight years.
c. Present Value with 4.3% compounded daily for four years.
d. Present Value with 5.7% compounded continuously for three years.

Problem 6.19:
To find the future value of the investment cash flows, we'll use the future value formula.

The future value formula is given by: FV = PV * (1 + r)^t, where:
FV = Future Value
PV = Present Value
r = Interest Rate (as a decimal)
t = Number of years

For this problem, add up all the cash flows and then calculate the future value using the formula.

Future Value = Sum of cash flows * (1 + r)^t

Problem 6.27:
To find the present value of the cash flow stream, we'll use the present value formula.

The present value formula is given by: PV = CF / (1 + r)^t, where:
PV = Present Value
CF = Cash Flow
r = Interest Rate (as a decimal)
t = Number of years

For this problem, you need to calculate the present value of each cash flow separately and then sum them up to find the total present value.

Present Value = Present Value of Cash Flow 1 + Present Value of Cash Flow 2 + ... + Present Value of Cash Flow 6

Problem 7.16:
To find the expected return on Barbara's investment, we'll multiply each return by its corresponding probability, and then sum up the results.

Expected Return = (Return 1 * Probability 1) + (Return 2 * Probability 2) + ... + (Return 4 * Probability 4)

Problem 8.24:
To find the yield that Trevor would earn by selling the bonds today, we'll use the yield-to-maturity formula.

The yield-to-maturity formula cannot be directly calculated. You'll need to use trial and error, or a financial calculator or spreadsheet, to find the yield.

The yield-to-maturity formula is used to calculate the yield of a bond based on its current price, coupon payments, and face value.

Problem 9.15:
To find the current price of the preferred stock, we'll use the present value of a growing perpetuity formula.

The formula is given by: Current Price = Dividend / (Required Rate of Return - Growth Rate)

Plug in the values and calculate the current price.

I hope this helps! Let me know if you have any further questions.