Which of the following statements describes the typical effect of creating a large number of refined activity cost pools for a given costing application?1) A complex ABC system with numerous cost pools provides substantial costimprovement over a smaller system with only seven to ten cost pools.2) A system containing a large number of cost pools will not tend to exhibitsubstantial cost accuracy over a system containing seven to ten cost pools.3) With the aid of a computer, every public company should strive to develop as many cost pools as possible because there is virtually no disadvantage of so doing.4) Employees normally develop a deep appreciation for the complexity of a large, tedious ABC system.

Johnson company uses the allowance method to account for uncollectible accounts receivable. bad debt expense is established as a percentage of credit sales. for 2018, net credit sales totaled $6,400,000, and the estimated bad debt percentage is 1.40%. the allowance for uncollectible accounts had a credit balance of $61,000 at the beginning of 2018 and $49,500, after adjusting entries, at the end of 2018.required: 1. what is bad debt expense for 2018 as a percent of net credit sales? 2. assume johnson makes no other adjustment of bad debt expense during 2018. determine the amount of accounts receivable written off during 2018.3. if the company uses the direct write-off method, what would bad debt expense be for 2018?