Corporate taxes Tantor? Supply, Inc., is a small corporation acting as the exclusive distributor of a major line of sporting goods. During 2013 the firm earned $ 92 comma 200$92,200 before taxes. a. Calculate the? firm's tax liability using the corporate tax rate schedule given in the following Table LOADING... . b. How much are Tantor? Supply's 2013? after-tax earnings? c. What is the? firm's average tax? rate, based on your findings in part ?(a?)?? d. What is the? firm's marginal tax? rate, based on your findings in part ?(a?)??