pls solve

Seaside Sandals Campany is a retailes of leather sandats. Operatine income for the month of March is as followsi Each sandal sells for $40. Variable selling expenses are $3 per sandal, and the remainder of the selling expenses are fixed. Variable administrative expenses are 9% of sales, and the remainder of the administrative expenses are fixed. What is Seaside Sandals' contribution margin for the month of March? Round to the nearest whole dollar amount and do not enter a dollar sign or a decimal point (e.g., enter 89, not $89.00 )