I’m working on a Business question and need guidance to help me study.

YOUR PROBLEM DONE BEFORE WAS VERY HIGH

DO YOU THIN YOU CAN DO THIS ONE TOO LET ME KNOW PLEASE ASAP

Solve Problem and Applications:ch 9- prob 2 at the end of chapters 9 in your textbook.
9-2: 2.  Four key marketing decision variables are price ( P ), advertising ( A ), transportation ( T ), and product quality ( Q ). Consumer demand ( D ) is influenced by these variables. The simplest model for describing demand in terms of these variables is: 

 D  = k - pP + aA + tT + qQ 

where  k, p, a, t, and  q are constants.

A.Discuss the assumptions of this model. Specifically, explanation short but containing direct answer

Not long story about a lot of nothing please

B. how does each variable affect demand? explanation short but containing direct answer

Not long story about a lot of nothing please

C. How do the variables influence each other? explanation short but containing direct answer

Not long story about a lot of nothing please

D. What limitations might this model have? explanation short but containing direct answer

Not long story about a lot of nothing please

 E. How can it be improved? Solution Tip: This is an essay ( 300 WORDS) *****

PLEASE USE EXACT PROBLEM AND SOLVE EXACTLY WHAT HE IS ASKING. HE SAID SOMETIMES ANSWERS ARENT USING DATA HE ASKED USE BOOK PLEASE OR ASK ME. I NEED BETTER GRADE