For 40 to 50 to 40 hours or a company a has the best holiday rate of 2550 an hour company B has the best hourly rate of 2850 an hour or company a has the best hourly rate of $1020 for 40 hours

To determine which company has the best hourly rate, we'll compare the rates offered by Company A and Company B.

Company A:
Rate: $1020 for 40 hours
Hourly rate: $1020 / 40 = $25.50/hour

Company B:
Rate: $2850/hour

Comparing the rates, we see that Company B offers a higher hourly rate of $28.50 per hour, while Company A offers a rate of $25.50 per hour.

Therefore, Company B has the best hourly rate.