Linda borrows 4000 from his father to go on a trip to Kenya.he will have to pay the money back in 10 years time.his father will charge him a simple interest rate of 4% p.a.how much will Linda have to repay after 10 years?

I = Prt

I = 4,000 * 0.04 * 10

I = 1,600

4,000 + 1,600 = ?