Answer :
4,000/month because you would be getting $750 more than the other salary(that's what i think the answer is)
well, obviously 3,250/month because i don't know how long a momth is. Just kidding. It is 4000/m because you would be earning more than 3250/m. If you were to draw these unit rates out on a line graph (a graph to compare units over time) you would see that the line for 4000/m would be much greater than the 3250/m line.