Select the incorrect statement regarding ration analysis. Radio analysis is a specific form of horizontal analysis. There are many different ratios available for evaluating a form's performance. Some rations involve an account from the balance sheet and one from the income statement. Ratio analysis involves making comparisons between different accounts in the same set of financial statements. Steuben Company produces dog houses. During 2013, Steuben Company incurred the following costs: Rent on manufacturing facility $ 250.000 Office manager's salary 150.000 Wages of factor, machine operators 110.000 Depreciation on manufacturing equipment 50.000 Insurance and taxes on selling and administrative offices 30.000 Direct materials purchased and used 170.000 Wages paid to factory machine operators in producing the dog houses should be categorized as: a product cost and recorded in the inventory account a period cost and recorded on the Income statement