You need to mail back your MBA. Use the same address you used to mail in for it.

Marginal cost and opportunity cost are two distinct and separate things. You are confusing the definitions of two terms normally first taught in high school.

**--** Steve

>>>
>Opportunity cost is the cost of passing up one investment in favor of another.
><<
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>Here you go.... Investment one is in Fox. Investment two is in dotNET.
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>I contend there is zero opportunity cost in passing up an investment in Fox for an investment in dotNET. I contend there is little to no marginal utility in Fox-related investments as far as training, R & D, etc.
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>Therefore, zero opportunity cost is possible. i.e., I give up nothing in Fox if I invest in dotNET.
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>Now, if you compare dotNET to Java, maybe there is opp cost there.. But then again, that was not my argument...
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>BTW, anybody can regurgitate a textbook definition of opportunity cost and present it as his own thought....< s >.