"there is no incentive for firms to enter or exit the industry in the long" run when

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?

Consider the following three bond quotes; a treasury note quoted at 87.25, and a corporate bond quoted at 102.42, and a municipal bond quoted at 101.45. if the treasury and corporate bonds have a par value of $1,000 and the municipal bond has a par value of $5,000, what is the price of these three bonds in dollars? multiple choice $872.50, $1,000, $1,000, respectively $1,000, $1,024.20, $1,001.45, respectively $872.50, $1,024.20, $5,072.50, respectively $1,000, $1,000, $1,000, respectively

3. which of the following occupations relate to a skill category of mathematics and data? select all that apply. (2 correct answers) engineer financial analyst mechanic sales person 4. which of the following occupations relate to a skill category of words and literacy? select all that apply. (2 correct answers) educator lawyer marketing manager psychologist architect