Please use this formula to solve the questions:

A=Pe^rt, A=P(1+i)ⁿ, S=R(1+i)ⁿ-1/i

2. How long would it take for Sarah to accumulate $13,250 if she deposits $11,800 in an account that pays 6.47%/year compounded continuously?

3. At what rate $3,854 will grow to $4,759 in 69 months if the account earns interest compounded quarterly?

4. If Zack deposits $750 every other month into an account that pays 7.48%/year interest, then how much money will he have in the account 86 months later?