For each of the following situation, solve for a missing amount. In each case, there is only one debit entry and one credit entry in the account during the month. Requirement 1: a. Accounts Recelvable had a balance of $840 at the beginning of the month and $630 at the end of the month. Credit sales totaled $8,400 during the month. Calculate the cash collected from customers during the month, assuming that all sales were made on account. b. The Supplies account had a balance of $378 at the beginning of the month and $511 at the end of the month. The cost of supplies used during the month was $1,638. Calculate the cost of supplies purchased during the month. c. Wages Payable had a balance of $287 at the beginning of the month. During the month, $2,660 of wages were paid to employees. Wages Expense accrued during the month totaled $2,870. Calculate the balance of Wages Payable at the end of the month. Requirement 2: Prepare the journal entries for the above transactions. Complete this question by entering your answers in the tabs below. 3. Accounts Receivable had a balance of $840 at the beginning of the month and $630 at the end of the month. Credit sales totaled $8,400 during the month. Calculate the cash collected from customers during the month, assiaming that all sales were made on account. b. The Supplies account had a balance of $378 at the beginning of the month and $511 at the end of the month. The cost of supplies used during the month was $1,638. Calculate the cost of supplies purchased during the month. c. Wages Payable had a balance of $287 at the beginning of the month. During the month, $2,660 of wages were paid to employees. Wages Expense accrued during the month totaled $2,870. Caiculate the balance of Wages Payable at the end of the month. Complete this question by entering your answers in the tabs below. Prepare the journal entries for the above transactions. Note: If no entry is required for a transaction/event, select "No journal entry required" in the first account field. Journal entry worksheet