A docs.google.com Simple Interest CFU - P4 Appreciation and Depreciation CFU - P4 What is the amount of simple interest earned if the principal amount * 1 point invested was $500 at 6% per year for 4 years? O $12 $1200 $12000 $120 What is the amount of simple interest earned if the principal amount * 1 point invested was $200 at 4% per year for 18 months? $144 $14400 O $120 O An investment of $1500 earned $412.50 at a simple interest rate of 5.5% * 1 point per year. How long was the money invested for? 5 months O 5 years O 10 years O 2 months