(consider this) if the law of diminishing returns applies to study time:

a. the 10thhour of study will likely be less productive than the 3rd.
b. this implies that longer lectures are less productive than shorter ones.
c. there is no benefit to studying a subject more than 5 hours in any given day.
d. people with less intelligence necessarily experience diminishing returns sooner than those with greater intelligence

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?