On December 31, Lujack Co. held the following short-term available-for-sale securities. Lujack had no short-term investments prior to the current period. Prepare the December 31 year-end adjusting entry to record the fair value adjustment for these debt securities.

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 today! will get brainliest for right answer! compare and contrast absolute advantage and comparative advantage.

(a) what do you think will happen if the price of non-gm crops continues to rise? why? (b) what will happen if the price of non-gm food drops? why?