Sparkling Clean sold 2,000 sponges during 2022. Information is provided concerning

the sponges:

Sales $60,000

VC : 24,000 10,000

Fixed Costs : 10000 .

Net Income 26,000

If Sparkling Clean sells 30 more units, by how much will their profit increase?

a) $18

b) $540

c) $390

d) $900

e) None of the above