Answer:
1. Transaction: Received cash from owner as additional investment $18,000
Accounting equation element: Asset and Equity
Direction: Cash increases Equity increases
Account: Cash and Wyer capital
2. Transaction: Paid advertising expenses $4,850
Accounting equation element: Asset and equity
Direction: Cash decreases Equity decreases
Account: Cash and equity
3. Transaction: Purchase supplies on account $2,100
Accounting equation element: Asset and Liability
Direction: Asset increases Liability increases
Account: Supplies and Accounts payable
4. Transaction: Billed customers for delivery services on account $14,700
Accounting equation element: Asset and Equity
Direction: Asset increases Equity increases
Account: Accounts receivable and equity
5. Transaction: Received cash from customers on account $8,200
Accounting equation element: Asset and Asset
Direction: Cash increases and accounts receivable decreases
Account: Cash and accounts receivable
