I need all the answers to 4 subparts of the problem with detailed explanation.

Problem 4. Two European put options on SuperBowl.com (SPB) are traded in the market. The one with strike price $20 is traded for $1, and the other one with strike price $25 is traded for $3. Both options expire on the third Friday of May. You are thinking about buying or writing a European put option on the same stock with the same expiration date, and you plan to set the strike price as $22.50. (a) The spreadsheet below is for you to examine the payoffs of these put options and combi- nations of them. We are especially interested in the payoff of two [SPB May 22.50 Put] and the payoff of the combination of [SPB May 20 Put] and [SPB May 25 Put]. Complete the spreadsheet by replacing the question marks with the payoffs