What are the elements of marketing concept ?

Employers hiring for entry-level positions in hospitality and tourism expect workers to

Aproduct has a demand of 4000 units per year. ordering cost is $20, and holding cost is $4 per unit per year. the cost-minimizing solution for this product is to order: ? a. 200 units per order. b. all 4000 units at one time. c. every 20 days. d. 10 times per year. e. none of the above

If the reserve requirement is 10 percent, what amount of excess reserves does a bank acquire when a business deposits a $500 check drawn on another bank?