Projects A and B are mutually exclusive Project A has cash flows of $10,000, $5, 100, $3, 400 and $4, 500 tor years 0 to 3 respectively. Project B has cash flows of -$10,000, $4, 500, $3, 400,00 and $5, 100 for years 0 to 3 respectively What is the crossover rate for these two projects? select one a. o percent b. 5.46percent c. 6.71percent d. 2.75percent e. 4.94precent