What effect will firms entering have on the market​ price? When firms enter ​, A. the marginal cost of production will decrease ​, decreasing price. B. market supply will increase ​, decreasing price. C. market demand will decrease ​, decreasing price. D. the average total cost of production will decrease ​, decreasing price. E. market supply will decrease ​, decreasing price.

Emily sold the following investments during the year: stock date purchased date sold sales price cost basis a. 1,000 shares dot com co. 03-21-2007 02-04-2018 $20,000 $5,000 b. 500 shares big box store 05-19-2017 01-22-2018 $8,200 $7,500 c. 300 shares lotta fun, inc. 10-02-2017 09-21-2018 $3,000 $4,500 d. 700 shares local gas co. 06-17-2017 11-11-2018 $14,000 $17,000 for each stock, calculate the amount and the nature of the gain or loss.

The blank is type of decision-maker who over analyzes information

(a) what was the opportunity cost of non-gm food for many buyers before 2008? (b) why did they prefer the alternative? (c) what was the opportunity cost in 2008? (d) why did it change?