Project A requires an initial investment of $51 and will pay $22 at the end of the next three years. Project B requires an initial investment of $75 and will pay $31 at the end of the next three years. What is the crossover rate for these two projects? Express your crossover rate decimal format and accurate to the nearest 4 decimal places (e.g., 0.023450 should be entered as 0.0235, not 0.02345, 2.35%, 2.3450, or anything else...the correct way would be 0.0235).