Which of the following options best describes the slope of line a? (photo attached)

(valid answers only, waste my time and i'll waste yours and report you. take someone else's opportunity to get points and my time in getting and you'll be reported. only answer if you know the answer.)

6 on both sides and twelve on the top and the bottom

step-by-step explanation:

from the figure we get,

the x axis shows   the months and,

the y-axis shows the number of satisfied customer.

each line or each cell in upward direction (y-axis) shows 500.

the appropriate scale for the y - axis is: -

a = 2000 customers

b = 4000 customers

c = 6000 customers

d = 8000 customers

e = 10000 customers

f = 12000 customers

g = 14000 customers