A drought in California destroys many red grapes. As a result of the drought, the consumer surplus in the market for red grapes Select one: a. increases, and the consumer surplus in the market for red wine increases. b. increases, and the consumer surplus in the market for red wine decreases. c. decreases, and the consumer surplus in the market for red wine increases. d. decreases, and the consumer surplus in the market for red wine decreases.

What is the relationship between marginal external cost, marginal social cost, and marginal private cost? a. marginal social cost equals marginal private cost plus marginal external cost. b. marginal private cost plus marginal social cost equals marginal external cost. c. marginal social cost plus marginal external cost equals marginal private cost. d. marginal external cost equals marginal private cost minus marginal social cost. marginal external cost a. is expressed in dollars, so it is not an opportunity cost b. is an opportunity cost borne by someone other than the producer c. is equal to two times the marginal private cost d. is a convenient economics concept that is not real

Need true or false 1 2 3 4 5 6 7 8

Juan's investment portfolio was valued at $125,640 at the beginning of the year. during the year, juan received $603 in interest income and $298 in dividend income. juan also sold shares of stock and realized $1,459 in capital gains. juan's portfolio is valued at $142,608 at the end of the year. all income and realized gains were reinvested. no funds were contributed or withdrawn during the year. what is the amount of income juan must declare this year for income tax purposes?