The following three projects are available but because of resource limitations, only one can be done. The Do Nothing option is also available and the company MARR is 15%. F0 F1 F2 F3 F4 F5 A -$10,000 $5,000 $2,000 $2,500 $3,000 $3,100 B -$7,000 $2,000 $2,500 $3,000 $2,000 $1,000 C -$6,000 $2,000 $2,000 $2,500 $2,750 $3,000 a) Which project should be selected using ROR incremental analysis? b) Which project should be selected using present worth incremental analysis?