Confused with the problem the entire afternoon. How to calculate the net profit/loss with actually volatility given and stuff............................need help asap....

6) You delta hedged for the week and your net position for each day is given below. You shorted a call volatility was: on Monday worth $0.10 with E=$10 when the stock $9. You did that because you thought the actual a) 0.5 or b) 0.9 (pick one of a or b and justify your choice) The risk free rate of return is 0.01. How much money did you net on Friday? Explain your answer. Net Monday O Tuesday 0.03 Wednesday 0.01 Thursday 0.05 Friday