amount paid to a business for goods or services is a credit, and an amount the business pays for goods, services, or debts is a debit. The chart below shows the total monthly credits for the student store for the first six months of the school year. Use the chart to answer the following questions.
Dollars
100
80
60
40
20
0
- 20
- 40
- 60
- 80
- 100
Student Store
Sep. Oct. Nov. Dec. Jan. Feb Month
El Credits 11 Debits
a. What is the total of the credits for September through February?
b. What is the total of the debits for September through February?