Many firms now use e-mail and the Internet to promote their products instead of sending promotional literature to current and prospective customers through the mail. UPS and FedEx continue to grow, offering both overnight and ground package delivery services. As a result, the U. S. Postal Service (USPS) has lost millions of customers and billions in revenue. The USPS has challenges ahead in coping with forces in the marketplace.
A) technological
B) legal
C) social
D) economic
E) competitive

Kando company incurs a $9 per unit cost for product a, which it currently manufactures and sells for $13.50 per unit. instead of manufacturing and selling this product, the company can purchase product b for $5 per unit and sell it for $12 per unit. if it does so, unit sales would remain unchanged and $5 of the $9 per unit costs assigned to product a would be eliminated. 1. prepare incremental cost analysis. should the company continue to manufacture product a or purchase product b for resale? (round your answers to 2 decimal places.)