Kristoff Walker operates his own catering service. Summary financial data for February are presented in equation form as follows. Each line designated by a number indicates the effect of a transaction on the equation. Each increase and decrease in owner's equity, except transaction (5), affects net income..
Assets = Liabilities + Owner's Equity
Cash + Supplies + Land = Accounts Payable + Kristoff Walker, Capital - Kristoff Walker, Drawing + Fees Earned - Expenses
Bal. 34,700 4,500 86,800 9,400 116,600
1. +40,600 +40,600
2. -17,400 +17,400
3. -30,200 -30,200
4. +1,700 +1,700
5. -2,300 -2,300
6. -8,300 -8,300
7. -3,500 -3,500
Bal. 17,100 2,700 104,200 2,800 116,600 -2,300 40,600 -33,700.

What is the amount of the net decrease in cash during the month?