3. Swifty Co. provides for doubtful accounts based on 3% of gross accounts receivable, The following data are available for 2020. Credit sales during 2020 $3,640,100 Bad debt expense 57,270 Allowance for doubtful accounts 1/1/20 16,110 Collection of accounts written off in prior years (customer credit was reestablished) 7,620 Customer accounts written off as uncollectible during 2020 31,280 What is the balance in Allowance for Doubtful Accounts at December 31, 2020

Required: 1-a. the marketing manager argues that a $5,000 increase in the monthly advertising budget would increase monthly sales by $9,000. calculate the increase or decrease in net operating income. 1-b. should the advertising budget be increased ? yes no hintsreferencesebook & resources hint #1 check my work 8.value: 1.00 pointsrequired information 2-a. refer to the original data. management is considering using higher-quality components that would increase the variable expense by $2 per unit. the marketing manager believes that the higher-quality product would increase sales by 10% per month. calculate the change in total contribution margin. 2-b. should the higher-quality components be used? yes no