Li Dental began operations in January 2020 selling dental appliances to dentists. The following transactions occurred during the first six months of operations. (Click the icon to view the transactions.) Required Requirement 1. Complete the aged listing of customer accounts as of June 30, 2020. (If a box is not used in the table, leave the box empty; do not enter a zero.) Age of Accounts Receivable 1-30 31-60 61-90 Over 90 Total Customer Days Days Days Days Receivables Dr. Erb Dr. Humphries Dr. Koth 4,800 Dr. Mellin Help me solve this Calculator Ask my instructor Transactions Jan. 15 Sold appliances to Dr. Humphries on account for $15,750; cost $6,500. 4,800 Feb. Mar. 22 Received payment in full from Dr. Humphries. 4 Sold merchandise to Dr. Erb on account for $5,800; cost $1,700. Apr. 20 Sold merchandise to Dr. Mellin on account for $6,700; cost $3,150. May 31 Sold merchandise to Dr. Koth on account for $4,800; cost $1,200. Jun. 28 Received $3,000 on account from Dr. Erb. -