(Solved): (22 pts.) You borrowed \( \$ 6,800 \) from your grandparents todayand must pay them back in a singl ...

(22 pts.) You borrowed \( \$ 6,800 \) from your grandparents todayand must pay them back in a single lump sum 14 years from now. What is the total interest paid and the total amount paid if they charged you: a) \( (6 \) pts.) \( 7 \% \) simple interest? b) (9 pts.) \( 7 \% \) interest compounded annually? c) (7 pts.) \( 7 \% \) interest, compounded continuously?