单项选择题

As CEO of ToysRFun, you are offered the chance to participate, without initial charge, in a project that produces cash flows of 4,000 at the end of the next period and a loss of 423.22; (b) 13.6%
B、(a) -413.22; (b) 13.6%
D、(a) -$403.22; (b) 13.9%