1. When using the high-low method for estimating the fixed and variable portion of a mixed cost, you must first find the high and low points of sales. Then, to find the variable cost per unit, you must: Select one: a. Divide the difference in unit sales by the difference in total cost b. Divide the difference in total cost by the difference in unit sales c. Divide the difference in dollar sales by the difference in total cost d. Divide the difference in total cost by the difference in dollar sales

2. Sales mix is Select one: a. the relative percentage in which a company sells its multiple products b. the trend of sales over recent periods c. the mix of variable and fixed expenses in relation to sales d. a measure of leverage used by the company

3. In a sales mix situation, at any level of units sold, net income will be higher if Select one: a. more higher contribution margin units are sold than lower contribution margin units b. more lower contribution margin units are sold than higher contribution margin units c. more fixed expenses are incurred d. weighted-average unit contribution margin decreases

4. Ramirez Corporation sells two types of computer chips. The sales mix is 30% (Q-Chip) and 70% (Q-Chip Plus). Q-Chip has variable costs per unit of $60 and a selling price of $100. Q-Chip Plus has variable costs per unit of $70 and a selling price of $130. The weighted-average unit contribution margin for Ramirez is Select one: a. $46 b. $50 c. $54 d. $100

5. Ramirez Corporation sells two types of computer chips. The sales mix is 30% (Q-Chip) and 70% (Q-Chip Plus). Q-Chip has variable costs per unit of $60 and a selling price of $100. Q-Chip Plus has variable costs per unit of $70 and a selling price of $130. Ramirezs fixed costs are $540,000. How many units of Q-Chip would be sold at the break-even point? Select one: a. 3,000 b. 3,522 c. 5,000 d. 7,000