how do you calculate initial value?

D6 Cells Editing 1 Task 6 Expected Portfolio Return for Upcoming 60 months 3 4 5 6 FB 7 WTW 8 TXN 9 CAT 1 Mar 18 Closing Price Weight (by value) Expected Return (r) Stock # of Shares 300 350 Initial Stock Price Hitial Value $ weighted r gl 78 109.68 150.03 450 S 10 Portfolio Value: E(rP): 12 13 15 16 | Task 11 (D | | Task 7 Data (4 stocks) | Tasks 8&9 RHT Task 6a Task 7 Chart (4 stocks) 140% Ready