Integrating Case 5-23 on page 296 You are a new staff accountant with a large regional CPA firm, participating in your first audit. You recall from your auditing class that CPAs often use ratios to test the reasonableness of accounting numbers provided by the client. Since ratios reflect the relationships among various account balances, if it is assumed that prior relation- ships still hold, prior years' ratios can be used to estimate what current balances should approximate. However, you never actually performed this kind of analysis until now. The CPA in charge of the audit of Covington Pike Corporation brings you the list of ratios shown below and tells you these reflect the relationships maintained by Covington Pike in recent years. Profit margin on sales 5% Return on assets 7.5% ...