Solve each situation separately, where P = principal, r = interest rate t = time in years, I = interest and FV = future value
A) P = $10,800; r =6.50%; t = 7 years; I = ?
B) I = $1,550; t = 11 months; r = 7.75%; P = ?
C) P = $30,500; r = 6.75%; t = 10 years; VF = ?
D) VF = $320,000; r = 5.40% compounded monthly, t = 30 years; P = ?