I need some help for this question, thankyou very much~

a. E-commerce platform is used for facilitating the transaction between buyers and retailers. There are different platforms available in the market, such as Amazon, etc. i. Draw the payoff matrix of the selection of e-flatform between buyers and retailers. ii. Explain whether there is a dominant strategy for buyers and retailers. iii. What is the name of this game? iv. Does it have any Nash equilibrium? Retailers Strategy Platform A Platform B Platform A Platform B + = positive 0 = no gain no loss - = negative