Langin Corporation has provided the following contribution format income statement.All questions concern situations that are within the relevant range. 
Required:
a.What is the margin of safety percentage?
b.Using the degree of operating leverage, what is the estimated percent increase in net operating income of a 15% increase in sales?
Definitions:
Pulse Pressure
Difference between systolic and diastolic pressure.
Sphygmomanometer
Instrument for measuring blood pressure.
Turbulent
Characterized by disorderly, chaotic movement or operation, often used to describe fluid dynamics where flow is irregular and agitated.
Brachial Artery
A major blood vessel of the upper arm that supplies blood to the arm and hand.
Q8: Using the high-low method, the variable cost
Q11: This question is to be considered independently
Q23: Using the high-low method, the estimate of
Q68: The accounting department of Archer Company, a
Q90: How many units were started AND completed
Q94: What is the total period cost for
Q115: The following journal entry would be made
Q129: The following data were taken from the
Q177: Davitt Corporation produces a single product and
Q226: The activity rate for the General Factory