Aggressive marketing in the context of format wars: a. does not encompass point-of-sales promotion techniques. b. deters early adopters. c. usually triggers a negative feedback loop. d. helps a company jump-start demand. e. results in lower emphasis on killer applications.

Helps a company jump-start demand

Explanation:

Format war in business is defined as competition for market dominance between producers of a particular type of technology with closely related functions.

Aggressive marketing are strategies employed to gain and ensure survival in a new market.

A typical example an aggressive marketing in the format war is selling a software at a low price but a relatively high price for support service.

One of the advantages is that it helps a company jump -stand demand among competitions

answer: marginal utility of the fourth brownie is 0.

explanation: marginal utility is the addtional utility gained from the consumption of one more unit of a good. it is given by,

so, marginal utility at the 4th unit will be given by

since, the values are not given here, you can simply find marginal utility at fourth unit by subtracting total utility at 3rd unit from total utility at 4th unit.