With a principal investment of $19,200, which account will have the greatest value after 5 years? simple interest: i = p • r • t interest compounded annually is a = p (1 + r)t interest compounded quarterly: a = p (1 + )4t a. 3.6% with interest compounded annually b. 3.8% in a simple interest account c. 3.4% with interest compounded annually d. 3.2% with interest compounded quarterly