Estimated Demand for a Good Is $\hat { Q } = 25 - 5 P + 0.32 M + 12 P _ { R }$

Multiple Choice

estimated demand for a good is $\hat { Q } = 25 - 5 P + 0.32 M + 12 P _ { R }$ where Q is the quantity demanded of the good,P is the price of the good,M is income,and $P _ { R }$ is the price of related good R.If income decreases by $1,000,all else constant,quantity demanded will ________ by _________ units.

A) decrease; 320 units
B) increase; 3.2 units
C) decrease; 1200 units
D) increase; 500 units
E) decrease; 500 units