Tesla motors’ cost structure is dominated by fixed costs with a contribution margin ratio of .6 and fixed costs of $380,000. every dollar of sales contributes 60 cents towards fixed costs and profit. general motors’ cost structure is dominated by variable costs with a lower contribution margin ratio of .25 with a fixed cost of $150,000. every dollar of sales contributes 25 cents toward fixed costs and profit. both companies have monthly sales of $750,000. suppose both companies experience a 10 percent decline in sales volume. by how much would each company’s operating income decrease?

Swathmore clothing corporation grants its customers 30 days' credit. the company uses the allowance method for its uncollectible accounts receivable. during the year, a monthly bad debt accrual is made by multiplying 3% times the amount of credit sales for the month. at the fiscal year-end of december 31, an aging of accounts receivable schedule is prepared and the allowance for uncollectible accounts is adjusted accordingly. at the end of 2012, accounts receivable were dollar 586.000 and the allowance account had a credit balance of dollar 50,000. accounts receivable activity for 2013 was as follows: the company's controller prepared the following aging summary of year-end accounts receivable: prepare a summary journal entry to record the monthly bad debt accrual and the write-offs during the year. (if no entry is required for a particular event, select "no journal entry required" in the first account field.) prepare the necessary year-end adjusting entry for bad debt expense. (if no entry is required for an event, select "no journal entry required" in the first account field.) what is total bad debt expense for 2013? calculate the amount of accounts receivable that would appear in the 2013 balance sheet?