886. A tractor shovel has a purchase price of Rs. 4.7 lacs and could save the organization an amount of rupees one lac per year on operating costs. The salvage value after the amortization period is 10% of the purchase price. The capital recovery period will be________________?

A. 3.7 years
B. 4.23 years
C. 5 years
D. 7.87 years
✅ The correct answer is option B.

887. In time-cost optimization of a project, crashing is done____________?

A. on all the activities
B. on all the activities lying on the critical path
C. only on activities lying on the orginal critical path and having flatter cost slopes
D. on original critical activities and those that become critical at any stage of crashing in the order of ascending cost slope
✅ The correct answer is option D.