Read the following explanation for procedures at Parktown Medical Center. Identify three DIFFERENT control weaknesses at Parktown. Describe the potential threat or weakness and recommend how to best correct the identified threatiweakness (Number each separately 1 through 3) (30 pts) Parktown Medical Center, Inc. is a small healih care provider owned by a publicly held corporation. It employs seven salariod physicians, ten nurses; three support staff, and three clerical workers. The clerical workers perform such tasks as reception, correspondence, cash receipts, billing, and appointment scheduling. All are adequately bonded Most patients pay for services rendered by cash or check on the day of their visit. Sometimes, however, the physician who is to performi the respective services approves credit based on an inerview. When credit is approved, the physician files a memo with one of the clerks to set up the receivable using data the physician generates. The servicing physician prepares a charge slip that is given to one of the clerks for pricing and preparation of the patient's bill. At the end of the day. one of the clerks uses the bills to prepare a revenue summary and, in cases of credit sales, to update the accounts receivable subsidiary ledgef. The front office clerks receive cash and checks directly from patients and gaves each pationt a prenumbered receipt. The clerks take furns opening the mail. The clork who opens that day's mail immediately stamps all chocks "or deposit only." Each day, just before lunch, one of the clerks prepares a list of all cash and checks to be deposited in Parktown's bank account. The office is closed from 12 noon unta 200 p.m. for lunch. During that tirne, the office manager takes the daily deposit to the bank. During the lunch hour. be clerk who opened the mail that day uses the list of cash receipts and checks to update pabent accounts. The clerks take furns preparing and mailing monthly statements to patients with unpaid balances. One of the clerks writes off uncoliectible accounts: only after the physician who performed the rospective services believes the account will not pay and communicates that belief to the otfice manager. The office manager then issues a credit memo to write off the account, which the clerk processos. The office managor supervises the clerks, issues write-off memos, schedules appointments for the doctors, makes bank deposits, reconcies bank statemonts, and performs general correspondence duties. Additional servicos are performed monthly by a local accountant who posts summanies prepared by the clerks to the general ledger, prepares income statements, and files the appropriate paytoll forms and tax returns