Prada has ten million shares outstanding, generates free cash flows of $ 50 million each year and has a cost of capital of 10%. It also has $50 million of cash on hand. Prada wants to decide whether to repurchase stock or invest the cash in a project that generates free cash flows of $5 million each year. Should Prada invest or repurchase the shares? a) indifferent between options b) repurchase c) invest d) cannot say for sure