Aconsumer buying cooperative tested the effective heating area of 20 different electric space heaters with different wattages. here are the results. heater wattage area 1 1,500 131 2 1,500 142 3 750 111 4 1,500 264 5 1,250 237 6 1,750 267 7 1,500 61 8 2,000 135 9 2,000 263 10 2,000 263 11 750 125 12 1,500 76 13 2,000 77 14 750 170 15 1,000 165 16 1,000 152 17 1,000 238 18 1,750 209 19 1,250 167 20 1,750 75

Amanda rice has just arranged to purchase a $640,000 vacation home in the bahamas with a 20 percent down payment. the mortgage has a 7 percent apr compounded monthly and calls for equal monthly payments over the next 30 years. her first payment will be due one month from now. however, the mortgage has an eight-year balloon payment, meaning that the balance of the loan must be paid off at the end of year 8. there were no other transaction costs or finance charges. how much will amanda’s balloon payment be in eight years

An allergy products superstore buys 6000 of their most popular model of air filters each year. the price of the air filters is $18. the cost of ordering and receiving shipments is $12 per order. accounting estimates annual carrying costs are 20% of the price. the supplier lead time is 2 days. the store operates 240 days per year. each order is received from the supplier in a single delivery. there are no quantity discounts. what is the store’s minimum total annual cost of placing orders & carrying inventory?

Why does the downward-sloping production possibilities curve imply that factors of production are scarce?