The Cottonwood Company manufactures mattresses and has for sales volumes of $300,000, $350,000, and $400,000, based on the following data: 6% of sales $120,000 per month $90,000 per month 1%0f sales $6,000 per month plus 1.5% of sales Sales commissions Sales manager's salary Advertising expense Shipping expense Miscellaneous selling expense Required Prepare a monthly flexible selling expense budget for Cottonwood Company for December, 2016. Refer to the lists of Labels and Amount Descriptions for the exact wording of the answer choices for text entries. Be sure to complete the statement heading