In September you have your car repaired and it costs you $600. The repair shop agreed that you can pay them in three equal instalments starting in October. Which of the following is true?

Select one:

a. Your net worth will decrease in October, November and December in equal amounts of $200 each month

b. Your net worth will decrease in September by $600

c. Your net worth will not decrease in September because you have not yet paid for the repair

d. Your net worth will increase in September by $200 because the value of your car increased