PLEASE HELP ASAP!!!! I WILL RATE 100000%

Solve the following Time Value of Money problems using either math approach or Excel approach. If you use math approach, please show your math formulas. Submit your Excel sheet if you choose to use Excel approach to solve the problems. (1) Theo and Shauna want to make a down payment of $25,000 on a condominium when they retire in three years. If they can earn 8% on their investments, how much money do they need to invest today to have enough for the down payment? (2) You are considering a project with the following cash flows: Year 1 Year 2 Year 3 $3,800 $4,800 $5,100 What is the present value of these cash flows, given a 5 percent discount rate