Problem Two: The trial balance of Mueller Ltd shown below does not balance. Mueller Ltd Trial Balance 30 June 2019 Debit Credit $ 3,840 $ 2,898 800 3,000 2,666 Cash Accounts Receivable Supplies Equipment Accounts Payable Unearned Service Revenue Share Capital-Ordinary Dividends Service Revenue Salaries and Wages Expense Utilities Expense 2,200 9,000 800 2,380 3,400 910 $14.008 $17.886 Each of the listed accounts has a normal balance per the general ledger. An examination of the ledger and journal reveals the following errors. 1. 2. 3. Cash received from a customer in payment of its account was debited for 570 and Accounts Receivable was credited for the same amount. The actual collection was for $750. The purchase of a computer on account for $620 was recorded as a debit to Supplies for $620 and a credit to Accounts Payable for $620. Services were performed on account for a client for $890. Accounts Receivable was debited for $890, and Service Revenue was credited for $89. A debit posting to Salaries and Wages Expense of $700 was omitted. A payment of a balance due for $309 was credited to Cash for $309 and credited to Accounts Payable for $390. The payment of a $600 cash dividend was debited to Salaries and Wages Expense for $600 and credited to Cash for $600. 4. 5. 6. Instructions (a) Prepare a correct trial balance. (Hint: It helps to prepare the correct journal entry for the transaction described and compare it to the mistake made.) (b) Describe the concept of "normal balance" and how, in conjunction with the trial balance, it serves as an internal control tool. Provide one example how this concept helped you prepare the correct trial balance in (a)