Unibronx is a company that manufactures inverters. It does extremely well in the market in its first year of business—its sales cross the expected mark and the profits soar. However, in the next two years, the company's sales and profits go down substantially because of tough competition from its rivals. This scenario exemplifies a change in Unibronx's _____.A. product bundling
B. product diffusion map
C. product life cycle
D. product mix