can someone please solve this

Diamond Boot Factory normally selis its specialty boots for $375 a pair. An offer to buy 100 boots for $275 per pair was made by an organization hovting a rationat event in Norfolic. The vartable cost per boot is $250, and spectat sttching wit ads another $20 per paif to the cost: Determine the differential income or loss per pair of beots from selling to the organization. 3 Should Diamond Boot Factory accept or reject the special offer