Cathy Company's accountant is not an ethical person. She manipulates net income to make it appear higher or lower depending on the circumstances. She can likely make it appear lower by classifying: assembly-line workers' wages incurred in the factory as direct materials used in the factory. assembly-line workers' wages incurred in the factory as salespersons' wages incurred in the sales offices. salespersons' wages incurred in the sales offices as insurance cost incurred on the sales offices. salespersons' wages incurred in the sales offices as assembly-line workers' wages incurred in the factory