Problem
(a) If $100 at Time "0" will be worth $110 a year later and was $90 a year ago, compute the interest rate for the past year and the interest rate next year.
(b) Assume that $90 invested a year ago will return $110 a year from now. What is the annual interest rate in this situation?
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.