The sales department had been allocated $20,000 for the year. the actual expenses incurred in the year were: transport $5,000 advertising $3,500 travel expenses $1,700 salary $10,000 other expenses $ 2,300 has there been an over budgeting or under budgeting, and by how much? a. over budgeting by $2,500 b. under budgeting by $2,500 c. over budgeting by $22,500 d. under budgeting by $12,500

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