Problem A24 is based on the Information that follows. Projects A and B are being considered by your firm, to increase firm output of widgets. The cost of capital for both projects is 1596. For Project A the cash flows ($) are -$2,150,000, $450,000, $750,000 $1,200,000 and $1,500,000 in years zero through 4 and for Project B the cash flows are -$2,150,000, $1,200,000,$900,000, $650,000 and $600.000 A24. The projects in A and B are characterized by (a) scale differences and NPVA -$455,061.44 (b) timing differences and NPVB -$344,445.05 differences and NPVA $495,061.44 d) common volatility of cash flows and NPV -$479,647.67 e) timing differences and NPVA-$455,061.44 b