You are given the following information for Parker Company for sales volumes of $300,000, $400,000, and 5600,000: Sales Commissions 4% of sales Sales Manager's Salary $70,000 per month $75,000 per month Advertising Expense = Shipping Expense 1% of sales Miscellaneous Selling Expense $2.100 per month plus 5% of sales For a sales volume of $600,000 variable miscellaneous selling expense is 7 A B I 8