ILL UPVOTE 100%!!! Draw out the time line. Time line must include all cash flows stipulated in the problem occurring at the time period stipulated in the problem.

On the time line, include arrows indicating the compounding or discounting of cash flows to the desired time period.

Under the time line, hand written explanation of your plan to solve the problem.

Barbie is building her own house and has contracted with a supplier to purchase all materials for the build. The supplier has given her two options. $220,000 up front or $80,000 each year for 5 years with the first payment at the end of this year. What interest rate is the supplier offering on the payment plan