Shores Sports rents canoes and kayaks. Below is the adjusted trial balance at December 31 . m me eriry requireu to ciose me reveriue ariu experise accours al une end of the period includes a: a. credit to Retained Earnings for $33,520 b. debit to Retained Earnings for $4,780 c. credit to Retained Earnings for $4,780 d. debit to Retained Earnings for $33,520.