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Problem #I Mr. Blue is a licensed skin doctor. During the first month of the operation of his business, the following events and transactions occurred. April 1 Invested $20,000 cash in his business. 1 Hired a secretary-receptionist at a salary of $700 per week payable monthly 2 Paid office rent for the month $1,100. 3 Purchased doctor office's supplies on account from Dazzle Company $4,000. A, Performed medical services and billed insurance companies $5,100. 11 Received $1,000 cash advance from Sebastian for the medical service. 20 Received $2,100 cash for services performed from James 30 Paid secretary-receptionist for the month $2,800. 30 Paid $2,400 to Dazzle for accounts payable due. Mr. Blue uses the following chart of accounts: No. 101 Cash, No. 112 Accounts Receivable, No. 126 Supplies, No. 201 Accounts Payable, No. 209 Unearned Service Revenue, No. 301 Owner's Capital, No. 400 Service Revenue, No. 726 Salaries and Wages Expense, and No. 729 Rent Expense Instructions (a) Journalize the transactions. (b) Post to the ledger accounts. (c) Prepare a trial balance on April 30, 2018