A firm anticipates that a particular R&D expenditure of $40million will generate

A firm anticipates that a particular R&D expenditure of $40million will generate a one-time profit of $43 million one yearlater. The firm will undertake this expenditure if itsinterest-rate-cost of borrowing is:A)at least 8%B)at least 10%C)at most 3%D)at most 7.5%