You invest $720 in an account that has an annual interest rate of 6.2%, compounded semiannually. How much money will be in the account after 5 years? Round your answer to the nearest whole number and include units.

Ebuka's monthly rent is $750. if ebuka pays the rent late, his landlord charges 4% interest per week that the payment is late. write a function that gives the total cost r(t), in dollars, of ebuka's rent if he pays it t weeks late.