Could someone please check my work?

If you pay $15 To purchase a European all option with Strike prike $ 100 at Time T= 3 and The interest is Continuously compounded at 8%%, what is the present value of your return on This investment, assuming a Market price of $120 at T= 3. payoff or T= 3: 120 - 100 =$20 PV of $20 = 20e 10.08 ( 3 ) _ ") = 15.73 2557221 Present Value of Total paid= $ 15 + 15. 73 25 5722 = $ 30. 7 3 2 5 57 22 Present Value of Return on Investment / Profit = $ 120- 30. 73 255722 = $ 89, 26744278 Holdings at Is