For March, sales revenue is $1,000,000; sales commissions are 4% of sales; the sales manager's salary is $80,000; advertising expenses are $75,000; shipping expenses total 1% of sales; and miscellaneous selling expenses are $2,100 plus 1% of sales. Total selling expenses for the month of March are: a. $192,100 b. $187,550 c. $217,100 d. $194,100