Decide which formula to use and than solve
A. Sara borrows $1200 at 8 % simple interest. If the loan is for5 months, what is the total amount he pays back (This is sometimescalled the maturity value)?
B.Sara later decides to deposit $9000 at 7.5% per yearcompounded annually, and would like to know how much she will haveafter 10 years.
C. Sara's husband wants to invest $1000 at the end of eachquarter at 9% compounded quarterly, and would like to know (1) howmuch will he have after 10 years? (2) How much interest will heearn after 10 years?
D. Sara is considering depositing $600 at the end of eachsemi-annual period, for 5 years earning interest of 8%. She wouldlike to know how large a one-time lump sum deposit she could make,at the same rate, to have the same amount of money after 5years.