Determine the missing amount for each separate situation involving inventory cost flows.

$\backslash$table$[[,(1),,(2),,(3)],[$Cost of merchandise purchased,,$$,140,800,$$$,289,800],[$Merchandise inventory, beginning,$106,800,,,,28,800],[$Merchandise inventory, ending,$82,800,,33,800,,],[$Cost of goods sold,$205,800,$$$,128,800,$$$,267,800]]$