Zeke company sells 25,000 units at $21 per unit. variable costs are $10 per unit, and fixed costs are $75,000. the contribution margin ratio and the unit contribution margin are
a. 47% and $11 per unit
b. 53% and $7 per unit
c. 47% and $8 per unit
d. 52% and $11 per unit

An increase in the market price of men's haircuts, from $16 per haircut to $26 per haircut, initially causes a local barbershop to have its employees work overtime to increase the number of daily haircuts provided from 20 to 25. when the $26 market price remains unchanged for several weeks and all other things remain equal as well, the barbershop hires additional employees and provides 40 haircuts per day. what is the short-run price elasticity of supply? nothing (your answer should have two decimal places.) what is the long-run price elasticity of supply? nothing (your answer should have two decimal places.)