Because they do so much driving while visiting doctors' offices and hospitals, pharmaceutical sales representatives are often given company cars to drive. When a pharmaceutical company like Merck is preparing to purchase new company cars, sales reps' feedback will be sought on car models and features, but the final decision will be made by higher levels of management. What role(s) do the sales reps play in the buying center?a. Users and initiatorsb. Influencersc. Usersd. Initiatorse. Users and influencers

it established new limitations on use and disclosure for marketing purposes, prohibited selling medical information, expanded individuals’ rights to accessing their own information, and to obtain restrictions from certain disclosures of protected heath information to health plans.

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.