Fast Technology sells its computers and monitors separately, but also sells them as a package. This is an example of ________.

A proportionate increase in the price level and the money wage in the classical model

a. increase labor supply. b. decrease labor supply. c. leave labor supply unchanged. d. affect labor supply but the direction of the effect is uncertain.

Now suppose competition among several market makers forces the spread down to $4 . How many goods are traded?

a. Four b. Five c. Six d. Seven