Beverly sells donuts at the local bakery. donuts cost $.50 each unless customers buy a dozen or more. when customers buy at least a dozen they cost $.40 each. beverly earns a commission based on her sales performance. because the bakery makes so much money on beverages, she earns 10% commission (

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