Selected financial data for Spark Enterprises follows for a production level of 120,000 units.

Total Fixed Costs $307130

Total costs (fixed and variable) $ 464046

a. Calculate the variable cost per unit.

b. If Flash Corporation makes 75,000 units, calculate the fixed cost per unit.

c. If Flash Corporation makes 160,000 units, calculate the total variable costs.

d. If Flash Corporation makes 180,000 units, calculate the total costs.

Power plants that rely on coal increase the amount of sulfur dioxide that dissolves into the air, eventually increasing the acidity of precipitation. the higher acidity of rain and snow can damage forests by making it more difficult for plants to absorb minerals from the soil. the equations below provide information about the market demand and supply of electricity. there is a constant marginal external cost of $25 per unit of electricity.d: qd= 200 – 2ps: qs=p – 10what quantity of electricity satisfies allocative efficiency in this market? a. 60b. 70c. 50d. 43.3