Consider the following production possibilities frontier model for an economy that produces only two goods: corn and smartphones. 0 20 40 60 80 100 100 80 60 40 20 0 smartphones (millions) corn (millions of bushels) ppf which of the following is true regarding this economic model? the fact that there are only two goods produced in this theoretical economy is a simplifying assumption that still allows economists to demonstrate key economic concepts. this ppf is not an economic model. the fact that there are only two goods produced in this theoretical economy, when, in reality, economies produce many more types of goods, means this model is generally useless. in order to construct such a model, an economist would need real life data regarding countries that only produce two goods.

The school cafeteria can make pizza for approximately $0.30 a slice. the cost of kitchen use and cafeteria staff runs about $200 per day. the pizza den nearby will deliver whole pizzas for $9.00 each. the cafeteria staff cuts the pizza into eight slices and serves them in the usual cafeteria line. with no cooking duties, the staff can be reduced by half, for a fixed cost of $75 per day. should the school cafeteria make or buy its pizzas?

Jason started last week with $900 in his checking account. during the week, he wrote the checks below. at the end of the week, jason received a paycheck for $534.59. he recorded all of these transactions in his check register. trans typ./ check no. date description of transaction payment/ debit deposit/ credit (+) balance 900 00 241 12/4 miller's food market 53.21 53 21 groceries 846 79 242 12/7 frank's auto parts 24.05 24 05 oil and filter 822 74 243 12/8 mike's barber shop 15.00 15 00 haircut 807 74 deposit 12/9 paycheck 534.59 534 59 1,342 33 evaluate jason's check register. a. jason did a good job; everything is correct. b. the final balance is wrong; jason did not add everything correctly. c. jason should have written debit instead of deposit for the transaction type. d. jason entered the amount for his paycheck in the wrong column.

Why is accountability important in managing safety