Derrick Wells decided to start a dental practice. The first five transactions for the business follow.

1. Derrick invested $84,000 cash in the business.
2. Paid $24,000 in cash for equipment.
3. Performed services for cash amounting to $8,400.
4. Paid $3,200 in cash for advertising expense.
5. Paid $2,400 in cash for supplies.

(1) Select which two accounts are affected in each of the above transactions. (2&3) Post the above transactions into the appropriate T accounts.