Consider the accompanying cash-flow diagram. a. If P = $1,000, A = $200, and i% = 12% per year, then N = ? b. If P = $1,000, A = $200, and N = 10 years, then i = ? c. If A = $200, i% = 12% per year, and N = 5 years, then P = ? d. If P = $1,000, /% = 12% per year, and N = 5 years, then, 4 =