(a)[3]
Ameerah places $480$ dollars into a savings account. Simple interest is paid at a rate of $3.6\%$ per year. Calculate the value of the investment after $5$ years.
(b)[3]
Ben puts $600$ dollars into a different savings account. The account pays compound interest at a rate of $2.7\%$ per year. Calculate the total amount of interest paid to Ben after $4$ years.