Melissa Corporation makes a special-purpose machine, D4H, used in the textile industry. Melissa has designed the D4H machine for 2017 to be distinct from its competitors. It has been generally regarded as a superior machine. Melissa presents the following data for 2016 and 2017.

Suppose that during 2017, the market for Melissa's special-purpose machines grew by 4%. All increases in market share (that is, sales increases greater than 4%) are the result of Melissa's strategic actions.

requirements : Calculate how much of the change in operating income from 2016 to 2017 is due to the industry-market-size factor, product differentiation, and cost leadership. How successful has Melissa been in implementing its strategy? Explain.