1a. Suppose that, if their income rises by $100, all households in Normalia raise their spending by $80. The MPC in Normalia is:.
MPS in Normalia is:.
b. Suppose that the MPC in South Pangea is 0.6.
If a South Pangean household earns an extra $100, by how much will they increase their spending?
2. Suppose that the MPC in North Laurasia is .5.
a. What is the spending multiplier for the North Laurasian economy?
b. If the government spends an extra $1000, by how much with the economy grow?

Rolston music company is considering the sale of a new sound board used in recording studios. the new board would sell for $27,200, and the company expects to sell 1,570 per year. the company currently sells 2,070 units of its existing model per year. if the new model is introduced, sales of the existing model will fall to 1,890 units per year. the old board retails for $23,100. variable costs are 57 percent of sales, depreciation on the equipment to produce the new board will be $1,520,000 per year, and fixed costs are $1,420,000 per year.if the tax rate is 35 percent, what is the annual ocf for the project?