[The following information applies to the questions displayed below.] Music-Is-Us, Inc., is a supplier of musical instruments for professional and amateur musicians. The company's accountants make adjusting entries monthly, and they make all closing entries annually. The company is growing rapidly and prides itself on having no long-term liabilities. The company has provided the following trial balance dated December 31, 2021. MUSIC-IS-US, INC. TRIAL BALANCE DECEMBER 31, 2021 50,000 31,000 134,000 5,100 253,000 1,600 6.930 Cash at bank Marketable securities Accounts receivable Allowance for doubtful accounts Merchandise inventory Office supplies Prepaid insurance