Projects A & B are mutually exclusive. Project A has cash flows of -$10,000, $5,100, $3,400, and $4,500 for years 0 to 3. Project B has cash flows of -$10,000, $4,500, $3,400, and $5,100 for years 0 to 3. What is the crossover rate for the two projects?

A)5.48 percent B) 4.94 percent C)2.75 percent D)0 percent E) 6.71