. Solve Problem 8-31 8-31 One of these four mutually exclusive alterna- tives must be chosen. Each costs $13,000 and has no salvage value. Similar alternatives will repeat indefinitely. Alter- native Life (yrs) 7 Annual Cost $1000 first year; then increasing $575 per year S100 first year; then increasing S500 per year $2500 $4250 first year; then declining $500 per year A B 6 C D (a) Construct a choice table for interest rates from 0% to 100%. (b) If the MARR is 8%, which alternative should be selected