4 part question please answer correctly for upvote :)

Yost received 300 NQOs (each option gives Yost the right to purchase 10 shares of Cutter Corporation stock for 540 per share) At the time he started working for Cutter Corporation three years ago, Cutter's stock price was $40 per share Yost exercised all of his options when the share price was $80 per share. Two years after acquiring the shares, he sold them at $122 per share. Note: Input all amounts as positive values. Leave no answer blank. Enter zero if applicable. Problem 12-28 Part a (Algo) a. What are Yost's taxes due on the grant date, exercise date, and sale date, assuming his ordinary marginal rate is 35 percent and his long-term capital gains rate is 15 percent? Answer is complete but not entirely correct. b. What are Cutter Corporation's tax consequences (amount of deduction and tax savings from deduction) on the grant date, the exercise date, and the date Yost sold the shares? Q Answer is complete but not entirely correct. c. Assume that Yost is "cash poor" and needs to engage in a same-day sale in order to buy his shares. Due to his bellef that the stock price is going to increase significantly, he wants to maintain as many shares as possible. How many shares must he sell in order to cover his purchase price and taxes payable on the exercise? d. Assume that Yost's options were exercisable at $45 and expired after five years. If the stock only reached $43 during its high point during the five-year period, what are Yost's tax consequences on the grant date, the exercise date, and the date the shares are sold. assuming his ordinary marginal rate is 35 percent and his long -erm capital gains rate is 15 percent