What is the profitability index for an investment with the following cash flows given a 14.5 percent required return? The cash flows, in order, are -$46,500 (initial cost), $12,200 (year 1 CF), $38,400 (year 2 CF), $11,300 (year 3 CF)'

a)-0.06 b)-0.02 c)0.02 d)0.06 e)0.11