suppose lawn mowers are part of the market basket used to compute the cpi. suppose also that the quality of lawn mowers deteriorates while the price of lawn mowers stays the same. if the bureau of labor statistics is able to precisely adjust the cpi for the improvement in quality, then, other things equal, a. the cpi will rise. b. the cpi will fall. c. lawn mowers will no longer be included in the market basket. d. the cpi will stay the same.