Chapter 4
Profitability Analysis
4-3
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with current levels. First, there are typically lags between securing financing,
deploying assets, getting operations up and running, and realizing returns from
investments. In the meantime, firms are saddled with costs of borrowing. Second,
there are diminishing returns to scale. Many growth firms that generate high ROA
tend to overinvest, only to realize that there are limits to their ability to scale up
operations. For example, a restaurant may find that additional restaurants merely
cannibalize sales from nearby restaurants rather than satisfy unlimited demand.
4.8 Concept of Residual Income. Residual income can be viewed as income after
inserting an additional line item on the income statement for the cost of equity capi-
4.9 Return on Common Shareholders’ Equity versus Basic Earnings per Common
Share. The statement is correct that both ROCE and basic earnings per share use