BXP is currently trading at $91/share. You bought 6 CALL-option contracts on BXP with a strike price of $90 for $4.0 each and sold 6 CALL-option contracts on BXP with a strike price of $100 for $2.0 each.

a. What will be your total $ and % gain/loss if BXP price is $102 at the expiration date?

b. What will be your total $ and % gain/loss if BXP price is $85 at the expiration date?

c. What will be your total $ and % gain/loss if BXP price is $94 at the expiration date?