a project is expected to provide cash flows of $12,150, $12,600, $15,700, and $10,200 over the next four years, respectively. at a required return of 8.5 percent, the project has a profitability index of .898. for this to be true, what is the project's cost at time 0? multiple choice $46,273 $37,315 $42,417 insufficient information. $31,717