Juniper Delivery Service had the following selected transactionsduring May:
1. Received cash fromissuance of capital stock, $50,000.
2. Received cash for providingdelivery services, $18,000
3. Paid advertising expense,$1,000.
4. Billed customers for deliveryservices, $35,000.
5. Purchased supplies for cash,$2,100.
6. Paid creditors, $2,000.
7. Paid rent for May, $2,000.
8. Received cash from customers onaccount, $16,700.
9. Determined that the cost ofsupplies on hand was $1,200; therefore, $900 of supplies had beenused during the month.
10. Paid dividends, $1,500.
Indicate the effect of each transaction on the accounting equation by listing the numbers identifying the transactions, (1)through (10), in a vertical column, and inserting at the right of each number the appropriate letter from the following list:
a. Increase in an asset,decrease in another asset.
b. Increase in an asset, increasein a liability.