3000 * $36.48 = $109,440 Cost of the Stock
3000 * $49.20 = $147,600 Current Stock price when sold - Cost of the Stick when bought.
Capital Gain $38,160
ANSWER
For Jamal statement to be true,

EXPLANATION
The given statement is:
ax + b = a(x + c)
We expand the left hand side to obtain,
ax + b = ax + ac
Subtract ax from from both sides of the equation.
b=ac
We know that, a≠0 , so we can divide through by 'a'.
