Jannah Is a Marketing Consultant

Multiple Choice

Jannah is a marketing consultant. Irene and Dalia are potential customers interested in commissioning Jannah to undertake a market survey and compile the findings in a report. Irene is willing to pay $500 for the service while Dalia is willing to pay $800. Suppose that the opportunity cost of Jannah's time is $1,200. Assume that Irene and Dalia do not know each other. If the price is $500 per copy,

A) only Dalia will purchase Jannah's services and Jannah will undertake the job for her.
B) only Irene will purchase Jannah's services and Jannah will undertake the job for her.
C) both Irene and Dalia will purchase Jannah's services and Jannah will undertake the job.
D) both Irene and Dalia will want to purchase Jannah's services but Jannah will not be willing to undertake the job.