Bookmyer Company experienced a business event that affected its financial statements as indicated below. Balance Sheet Liab. + NA Income Statement Exp. Net Inc. Statement of Cash Flows Assets Equity = Rev. NA + NA Which of the following events could have caused these effects? Howard Company purchased $300 of supplies on account. Which of the following shows how this purchase will affect Howard's accounting equation? Multiple Choice Assets + Liabilities Accounts Payable Stockholders' Equity Common Retained Stock Earnings (300) Cash + + + Supplies (300)