A company purchased $12,000 of merchandise on June 15 with terms of 3/10, n/45, and FOB shipping point. The freight charge was $700. On June 20, it returned $900 of that merchandise. On June 24, it paid the balance owed for the merchandise taking any discount it is entitled to. The cash paid on June 24 equals:

d

step-by-step explanation:

40 minutes

step-by-step explanation:

add the time and multiply by 2

the height of the surface increases from the center out to the sides of the road.

step-by-step explanation:

as we move out we move away from the x-axis.

and as mentioned in the problem statement that height of a road increases when we move away from the center x.

hence proved that 3rd option

the height of the surface increases from the center out to the sides of the road.

is the correct option.