What is the profit on an article bought for 10thousand naira and sold for 13thousand naira?

The profit made on an article bought for 10,000 naira and sold for 13,000 naira is 3,000 naira.

Profit = Selling Price - Cost Price
Profit = 13,000 - 10,000
Profit = 3,000

Therefore, the profit made is 3,000 naira.