What do I debit and credit for the following transactions? 1. One of the company's printers worth $400 was damaged beyond repair and thrown away. 2. The owner bought $50 worth of supplies with his own

What do I debit and credit for the following transactions?

1. One of the company's printers worth $400 was damaged beyond repair and thrown away.

2. The owner bought $50 worth of supplies with his own funds and brought them to the office for business use.

3. Received a telephone bill of $150 that will be paid next month.

Side note: I have to use revenue, expenses and drawings accounts.