SPICEWOOD STABLES, INC Unadjusted Trial Balance At April 30 Account Name Debit Credit Cash Accounts Receivable Supplies Prepaid Insurance Buildings Accounts Payable Unearned Revenue Notes Payable (long-term) Common Stock Service Revenue Rent Revenue Utilities Expense Salaries and Wages Expense $ 212,430 15,900 4,500 4,500 192,000 4,320 4,200 96,000 310,000 17,500 16.500 3,590 15,600 Total S 448,520 S 448,520 4-a. Refer to the revenues and expenses shown on the unadjusted trial balance. Based on this information, calculate preliminary net income and net profit margin? (Round your Net Profit Margin answer to 1 decimal place.) reliminary Net Income Profit Margin