n 20 Trial balance is commonly prepared? d Select one: out of a. At the end of a year question O b. Frequently during the year O c. At the end of a month O d. At the end of an accounting period 21 Gross profit is Select one: ut of O a. Cost of goods sold + Opening stock jestion b. Excess of sales over cost of goods sold C. Sales fewer Purchases O d. Net profit fewer expenses of the period Sion 22 Building and furniture are called I? t red Select one: d out of a. Tangible asset question O b. Fixed assets c. Current asset d. Fictitious asset