Three venture investments previously made by BKAngel, a venture investor, achieved the following outcomes for the year just completed Venture Initial Cash Ending Ven1 $1,000,000 $350,000 $750,000 Ven2 $450,000 $80,000 $400,000 Ven3 $400,000 $90,000 $460,000 Calculate an expected rate of return for a "portfolio of these three venture investments weighted by each vonture's investment share of the total investment O a 15% O b. 125% OC-11% O d. none of the other choices