At the close of the market on Monday, the price of a certain volatile stock was exactly $100.00 per share. By close of the day on Tuesday, the stock was 20% up from its start that day. By the close of the day on Wednesday, the stock was 10% up from its start that day. By the close of the day on Thursday, the stock was 30% down from its start that day. What was the price per share by the end of the day on Thursday?
A.91
B.92.4
C.100
D.101.07
E.109.89
