1) ABC Inc. had a materials mix variance of $500 unfavourable and a materials yield variance of $1,200 favourable. What was the company's materials usage (quantity) variance?

2) During the last fiscal year, ZLM Inc had revenues and expenses of $420,000 and $60,000 respectively. The company had net operating assets of $800,000. The company's required rate of return for approval of projects is 15%. What was ZLM Inc's residual income for the year?

3) ZZZ Inc. has two divisions. Contribution margins for Divisions A & B were $100,000 and $120,000 respectively. Division A has a contribution margin ratio of 40% while Division B has a contribution margin ratio of 50%. Total fixed costs were $100,000 of which $20,000 were common fixed costs. The remaining fixed costs were allocated as follows: 40% to Division A and 60% to Division B. What was Division B's segment margin?