Lu Cho has health insurance that pays 90 percent of covered charges after a $1,000 deductible. There is a stop-loss provision of $10,000. So far this year, Lu has paid $7,900 in deductibles and copayments. Lu received a new statement for $4,000 in medical charges. How much will Lu have to pay?

Danny "dimes" donahue is a neighborhood's 9-year-old entrepreneur. his most recent venture is selling homemade brownies that he bakes himself. at a price of $2 each, he sells 100. at a price of $1.5 each, he sells 300. instructions: round your answer to 1 decimal place. a. what is the elasticity of demand? 3.50 â± 0.1 . b. is demand elastic or inelastic over this price range? . c. if demand had the same elasticity for a price decline from $1.5 to $1 as it does for the decline from $2 to $1.5, would cutting the price from $1.5 to $1 increase or decrease danny's total revenue? .

Show the changes to the t-accounts for the federal reserve and for commercial banks when the federal reserve buys $50 million in u. s. treasury bills. if the public holds a fixed amount of currency (so that all loans create an equal amount of deposits in the banking system), the minimum reserve ratio is 10%, and banks hold no excess reserves, by how much will deposits in the commercial banks change? by how much will the money supply change? show the final changes to the t-account for commercial banks when the money supply changes by this amount.

Uppose the book-printing industry is competitive and begins in a long-run equilibrium. then hi-tech printing company invents a new process that sharply reduces the cost of printing books. suppose hi-tech's patent prevents other firms from using the new technology. which of the following statements are true about what happens in the short run? check all that apply. hi-tech's average-total-cost curve shifts downward. hi-tech's profits increase. the price of books remains the same. hi-tech's marginal-cost curve remains the same.