If a company's ROA increased, which of the following is a plausible explanation?\ It reduced its PPE but kept its sales constant\ It increased its inventory levels but kept its sales constant\ It generated more sales but did not increase net income\ It generated less sales but kept its net income the same

If a company's ROA increased, which of the following is a plausible explanation? It reduced its PPE but kept its sales constant It increased its inventory levels but kept its sales constant It generated more sales but did not increase net income It generated less sales but kept its net income the same