Suppose you make the decision to volunteer for an event in school for an hour this week. This means that you would have to take an hour off from your summer job, for which you earn $10 per hour. You spend $3 in bus fare in order to get to school and $5 for lunch. If you went to work, you would have been able to walk to your job, and lunch would have been provided to you by the office. The opportunity cost of volunteering is:

Which of the following best explains why treasury bonds have an effect on the size of the money supply? a. the amount of treasury bonds in circulation affects both unemployment and inflation. b. the government can spend more money and charge lower taxes by using treasury bonds. c. the federal reserve bank can buy and sell these bonds to raise or lower bank deposits. d. the interest paid on treasury bonds influences the interest rates charged by private banks. 2b2t

Josie just bought her first fish tank a 36 -gallon glass aquarium, which she’s been saving up for almost a year to buy. for josie, the fish tank is most likely what type of purchase

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