A bank teller notices that an account was overdrawn and had a balance that can be represented by-324. The account holder then deposited 3 checks for $150 each and made 4 withdrawals of $20 each. The teller used the steps below to find the new balance for the account.

Step 1- start: -$324
Deposits: $150 each
Withdrawals: -$20 each

Step 2- -324+3(150)+4(-20)

Step 3- -324+450-80=46

Step 4- the account is overdrawn by $46

In which step did the teller make the first error?

Step 1
Step 2
Step 3
Step 4