could i get some help?

For February, sales revenue is $638,000, sales commissions are 4% of sales, the sales manager's salary as $92,000, advertising expenses are $94,300, shopping expenses total 1% of sale, and miscellaneous selling expenses are $2.800 plus 1/2 of 1% of sales. Total selling expenses for the month of February are Os 5321,000 Oh. 5214.620 Oc: 5234190 Od 10.100