Caroline, the store manager at a jewelry store, conducts statewide market research and collects data on customer preferences toward various jewelry items. based on her findings, she has to recommend the items customers are more likely to buy and the items the store should promote more so that profits can be maximized. in this case, caroline will be performing the of marketing research.
a. diagnostic role
b. descriptive role
c. prescriptive role
d. prescriptive role

Option c and d

Explanation: In simple words, prescriptive role refers to the role under which the manager identifies what should be done rather than stating what is done. In other words, under thus role the manager specifies duties and tasks that should be performed to achieve the objectives.

In the given case, Caroline is researching and recommending the actions that should be taken for maximizing the profit.

Hence from the above we can conclude that Caroline is performing prescriptive role.

of the three mortgage options that demarco and tanya have to choose from, the balloon payment mortgage would be their best option, over adjustable payment and fixed payment plans.ultimately, the balloon payment plan would save demarco and tanya overall, in interest, would cost less monthly, and they would only have to make these payments for 8 years, opposing to 30 years for adjustable or fixed payment plans. 

overall, demarco and tanya would save $80,811 if they chose balloon payments over fixed payments, and would save $116,711 if they choose balloon payments over adjustable payments. benefits with choosing fixed payments over adjustable payments is that, in the end, the payments will still be $836.30 a month, while with adjustable payments, the initial monthly payments will be $763.38 to $1082.70 a month, ultimately leading to a more costly purchase. benefits with choosing fixed payments over balloon payments are not present. benefits in choosing adjustable payments over is that it has a lower interest rate, and starts with lower monthly payments initially. benefits in choosing adjustable payments over balloon payments include a lower interest rate, and lower initial monthly payments. benefits in choosing balloon payments over fixed payments include lower interest rates, lower overall price, lower monthly payments, takes less time to pay off, and does not require a downpayment. benefits in choosing balloon payments over adjustable payments include, lower monthly payments (when averaged), takes less time to pay off, and lower overall price.

hence, option c, balloon payments, is the best option for demarco and tanya to make this purchase, for it will save them a minimum of $80811, and a maximum of $116,711.