solving which of the following problems to illustrate discounting? select all that apply. How much do you need to invest today at 7% interest to have $40,000 available for college expenses in 17 years? Please answer fast I give you upvote.

Please answer with explanation. I will really upvote

Need both questions. ....attempt if you will solve both questions. ...thanks   please provide excel functions as well rhank you

Use a financial calculator or computer software program to answer the following questions: a) Melanie is trying to save money for retirement and has a future goal of $750,000 at the end of 20 years. Determine the present value of her goal using a discount rate of 12%. b) How would the present value change if the $750,000 is to be received at the end of 15 years instead? Explain the impact and show your work?

your parents are giving you $220 a month for 4 years while you are in college. At an interest rate of .51 percent per month, what are these payments worth to you when you first start college?

To pay for your​ education, you've taken out ​$24 comma 00024,000 in student loans. If you make monthly payments over 1212 years at 66 percent compounded​ monthly, how much are your monthly student loan​ payments?         Question content area bottom Part 1 Your monthly student loan payments are ​$enter your response here. ​(Round to the nearest​ cent.)