Refer to the Following:
the Estimated Demand for a Good $\hat { Q } = 4,800 - 16 P - 0.65 M - 1.5 P _ { R }$

Multiple Choice

Refer to the following:
The estimated demand for a good is

$\hat { Q } = 4,800 - 16 P - 0.65 M - 1.5 P _ { R }$
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.
-The coefficient on P

A) violates the law of demand.
B) is negative as dictated by the law of demand.
C) should not be greater than one (in absolute value) .
D) should have the same sign as the coefficient on $P _ { R }$ .
E) both c and d