Question 3 4 pts An increase in the level of activity will have which of the following effects on unit costs for variable and fixed costs: Unit Variable Cost a. Increases b. Remains constant c. Decreases d. Remains constant Unit Fixed Cost Decreases Remains constant Remains constant Decreases oc o o Question 8 4 pts Which of the following costs are variable? Cost - sio 10,000 Units $100,000 40,000 90,000 50,000 30,000 Units $300,000 240,000 90.000 150,000 1 and 4 only 2 O only 1 0 1 and 2 Question 11 4 pts At the high level of activity in November, 7,000 machine hours were run and power costs were $18,000. In April, a month of low activity, 2,000 machine hours were run and power costs amounted to $9,000. Using the high-low method, the estimated fixed cost element of power costs is $9,000. $18,000 $12,600 $5,400 Question 13 4 pts Hollis Industries produces flash drives for computers, which it sells for $20 each. Each flash drive costs $13 of variable costs to make. During April, 1,000 drives were sold. Fixed costs for March were $2 per unit for a total of $1,000 for the month. How much is the contribution margin ratio? O 65% O 25% O 75% O 35%