Question 4 At the high level of activity in November, 10000 machine hours were run and power costs were $14000. In April, a month of low activity, 2000 machine hours were run and power costs amounted to $5000. Using the high-low method, the estimated fixed cost element of power costs is O $5000. O $2750. $14000. O $11250. Question 5 Oriole Company produces flash drives for computers, which it sells for $20 each. Each flash drive costs $6 of variable costs to make. During April, 1000 drives were sold. Fixed costs for April were $1000. How much is the contribution margin ratio? 70% O 30% O 40% O 60%