Write a three- to five-sentence paragraph that defines economics. Based on your definition, explain why it is difficult to consider economics an exact science. You may want to consider how economists approach economics to help you explain your answer.

Which statement describes a monopoly? many firms produce identical products with no control over the market price. many firms produce differentiated products with control over market price. a single firm produces a product with no close substitutes and control over the market price. a single firm produces a product with many close substitutes and limited control over the market price.

Consider the following limit order book for a share of stock. the last trade in the stock occurred at a price of $50. limit buy orders limit sell orders price shares price shares $49.75 500 $49.80 100 49.70 900 49.85 100 49.65 700 49.90 300 49.60 400 49.95 100 48.65 600 a. if a market buy order for 100 shares comes in, at what price will it be filled? (round your answer to 2 decimal places.) b. at what price would the next market buy order be filled? (round your answer to 2 decimal places.) c. if you were a security dealer, would you want to increase or decrease your inventory of this stock? increase decrease

P11.2a (lo 2, 4) fechter corporation had the following stockholders’ equity accounts on january 1, 2020: common stock ($5 par) $500,000, paid-in capital in excess of par—common stock $200,000, and retained earnings $100,000. in 2020, the company had the following treasury stock transactions. journalize and post treasury stock transactions, and prepare stockholders’ equity section. mar. 1 purchased 5,000 shares at $8 per share. june 1 sold 1,000 shares at $12 per share. sept. 1 sold 2,000 shares at $10 per share. dec. 1 sold 1,000 shares at $7 per share. fechter corporation uses the cost method of accounting for treasury stock. in 2020, the company reported net income of $30,000. instructions a. journalize the treasury stock transactions, and prepare the closing entry at december 31, 2020, for net income. b. open accounts for (1) paid-in capital from treasury stock, (2) treasury stock, and (3) retained earnings. (post to t-accounts.) c. prepare the stockholders’ equity section for fechter corporation at december 31, 2020.