Try to classify the following firms into one of the four market structure models. Explain your choice. a. Rowena’s gourmet foods (produces and sells a line of specialty foods) b. Shasta Pools & Spas...

Try to classify the following firms into one of the four
market structure models. Explain your choice.
a. Rowena’s gourmet foods (produces and sells a line
of specialty foods)
b. Shasta Pools & Spas (swimming pool and spa
building)
c. Merck (pharmaceuticals)
d. US Airways
e. UDC Homes (builders)
f. Legal Sea Foods (restaurant chain)