Prepare a monthly flexible selling expense budget for Pine Tree Company for sales volumes of $400,000, $450,000, and $500,000, based on the following data: Sales Commissions 8% of sales Sales manager's salary Advertising expense Shipping expense Miscellaneous selling expense $150,000 $120,000 1.25% $3,000 per month plus 2.5% of sales ol, no decimals; example Determine the following (enter amounts in whole numbers, no currency syr 100,000): Total Fixed expenses $ Total selling expenses for $400,000 in sales $ Total selling expenses for $450,000 in sales $ Total selling expenses for $500,000 in sales $