Mega-Big Corp. has a small strategic business unit (SBU) that produces a component vital to the manufacturers of automobiles and has been extremely profitable for 18 years. The SBU acts as a key source of income for the firm. In the context of the BCG matrix, Mega-Big Corp. is most likely considered a .

Cash cow

Explanation:

Boston consulting group (BCG) Matrix: It is a framework created for the strategic position of the business and its potential. It classifies business units into four categories of a cash cow, Stars, question mark and Dogs on the matrix of the growth rate of industry and relative market share. This matrix is also known as the growth-share matrix.  

In the BCG matrix, If business unit lies in the category of a Cash cow, then it is considered as market leader as it generates more income and company are able to get a good return out of investment in this business unit. In the matrix, the Business unit have high market share, however, it has less growth prospect.  

In the given case, Mega-Big Corp has been manufacturing components of automobiles and has been extremely profitable for 18 years, therefore, Mega-Big Corp. is most likely considered a cash cow.

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