Three students have each saved $1,000. Each has an investment opportunity in which he or she can

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Three students have each saved $1,000. Each has an investment opportunity in which he or she can invest up to $2,000. Here are the rates of return on the students’ investment projects:

Student	Return
Student	(Percent)
Raphael	4
Alex	7
Becky	15

Assume borrowing and lending is prohibited, so each student uses only personal saving to finance his or her own investment project.

1) Complete the following table with how much each student will have a year later when the project pays its return.

Student	Money a Year Later
Student	(Dollars)
Raphael
Alex
Becky

Now suppose their school opens up a market for loanable funds in which students can borrow and lend among themselves at an interest rate rr.

2) If a student’s expected rate of return is less than rr, he or she would choose to borrow/lend .

Suppose the interest rate is 6 percent.

3) Among these three students, the quantity of loanable funds supplied would be $?, and quantity demanded would be $?.

Now suppose the interest rate is 12 percent.

4) Among these three students, the quantity of loanable funds supplied would be $?, and quantity demanded would be $?.

5) At an interest rate of ?%, the loanable funds market among these three students would be in equilibrium. At this interest rate, Becky and/or Alex and/or Raphael would want to borrow, and Becky and/or Alex and/or Raphael would want to lend.

Suppose the interest rate is at the equilibrium rate.

6) Complete the following table with how much each student will have a year later after the investment projects pay their return and loans have been repaid.