8-27 Th ree mutually exclusive alternatives may replace the current equipment. Year 0 2 4 $20,000 -$24,000$25,000 5,000 5,000 5,000 25,000 10,000 5,000 10,000 6,000 10,000 10,000 10,000 5,000 (a) Construct a choice table for interest rates from 0% to 100% (b) If the MARR is 12%, which alternative should be selected