The following investment cash flows have been entered into cells B5 through B9 of an EXCEL spreadsheet. B5 $(5,200), B6 $2,100, B7 $1,300, B8 $1,800, B9 $1,200, where $(5,200) is the cost of the investment and the following amounts are cash flows at the end of years one through four. The correct function for computing the yield on this investment is O A. rytm(B5, B6:19). B. irr(B5:39). OC. Sirr(B6:B9)+B5. OD. Frate(4,0,- 5200, 1200)