20. Technology advancements have provided marketers the ability to send cost-effective, opt-in promotional messages to a customer's
address
A. P. O. box
B. Street
C. email
D. secondary
21. Which of the following is an example of specialty advertising:
A. Skywriting
B. A postcard announcing a special sale
C. Billboards
D. Key rings bearing a company's name

Emery pharmaceutical uses an unstable chemical compound that must be kept in an environment where both temperature and humidity can be controlled. emery uses 825 pounds per month of the chemical, estimates the holding cost to be 50% of the purchase price (because of spoilage), and estimates order costs to be $48 per order. the cost schedules of two suppliers are as follows: vendor 1 vendor 2 quantity price/lb quantity price/lb 1-499 $17 1-399 $17.10 500-999 $16.75 400-799 $16.85 1000+ $16.50 800-1199 $16.60 1200+ $16.25 (a) what is the economic order quantity for each supplier? (b) what quantity should be ordered and which supplier should be used? (c) the total cost for the most economic order sire is $