The cost of using an existing asset: small appliances, inc., is considering starting a new line of business with the excess capacity it currently has on its rivet machine. the current machine is expected to last four years at the current rate of production. however, if a new line of business is taken on, then the machine will have to be replaced in three years instead of four. a new machine that will last four years would cost $50,000. what is the cost of taking on the new line of business? (round to the nearest dollar and assume a 9 percent cost of capital.)

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