Consider the following projects: Project B co -$2,400 2,400 +$2,300 + 1,740 +$1,500 + 1,788 a. Calculate the profitability Index for A and B assuming a 21% opportunity cost of capital. (Do not round intermediate c Round your answers to 4 decimal places.) Project Profitability Index A B b. According to the profitability index rule, which project(s) should you accept