Jim, a quality control manager at an apparel manufacturing company, studies and monitors quality using r-charts. he discovers a quality problem with the construction of zippers. jim proposes that 25 samples of eight observations each be collected on a daily basis. he plans to prepare an r-chart to monitor the variation in the size of the zippers. the data collected shows that the mean length of the zippers is 15 inches and the average range is 0.5 inches. if d 3 for the r-chart is 0.136, the lower control limit (lcl r) for the r-chart will be:

Colorado rocky cookie company offers credit terms to its customers. at the end of 2018, accounts receivable totaled $715,000. the allowance method is used to account for uncollectible accounts. the allowance for uncollectible accounts had a credit balance of $50,000 at the beginning of 2018 and $30,000 in receivables were written off during the year as uncollectible. also, $3,000 in cash was received in december from a customer whose account previously had been written off. the company estimates bad debts by applying a percentage of 15% to accounts receivable at the end of the year. 1. prepare journal entries to record the write-off of receivables, the collection of $3,000 for previously written off receivables, and the year-end adjusting entry for bad debt expense.2. how would accounts receivable be shown in the 2018 year-end balance sheet?