i need help putting this into excel.

Activate Use free at Office.com inactive. To use for free, sign in and use the Web version, -wy debt is compounded monthly? 4. Ordinary Annuities - Remember, ordinary annuities are amounts paid at the end of each period. a. Future values 1. Advanced Engineering Group's cash flow forecast indicates that for the next 24 months, the Group will be able to invest $40,000 in cash at an annual interest rate of 7.89% (monthly rate = 7.89%/12). The Group will invest the cash at the end of each month. At the end of 24 months, how much cash will Advanced Engineering Group have accumulated through this investment practice? ii. What is the amount that Advanded Engineering Group accumulates if it invests $100,000 every six months for two years at the same annual interest rate (semiannual rate = 7.89%/2)? iii. Advanced Engineering determines that for an extra $5,000 in administrative expense over two years, it could invest $25,000 semimonthly (twice per month) at the same annual interest rate as in part a. (semimonthly rate of 7.89%/24). Does the extra interest earned justify the additional administrative expense