5. In what time will $400 amount to $512 if the simple interest is the calculated at 14% p.a (4 Points) 3 years 2 years 4 years 6. A sum amount to $2400 at 15% simple interest per annum after 4 years. Find the sum (3 Points) 2000 3000 1500 3. Find the amount owed on an investment of $10,000 into a money market account that pays a simple interest rate of 1.75% over a 39 wk period. (3 Points) $11.241.65 $10.131.25 $13.287.21 4. In how many years will $12000 yield an interest of 513230 at 10% simple interest? (3 Points) 8 years 10 years 5 years