Total vending machine sales were $2,300 for the month of May. What account are affected

The account affected by total vending machine sales of $2,300 for the month of May would typically be the "Sales" account. This account is used to track all revenue generated from the sale of goods or services.

To find out which account is affected, you can refer to the company's chart of accounts. This is a list of all the accounts used by the company to record various financial transactions. In the chart of accounts, the "Sales" account should be listed under the revenue or income section.

Additionally, you can also refer to the company's financial statements, particularly the income statement or profit and loss statement. The revenue section of the income statement will show the breakdown of all revenues generated, including vending machine sales.

Overall, the specific account affected may vary depending on the company's accounting system and chart of accounts structure, but in general, total vending machine sales would be recorded under the "Sales" account.