The following information pertains to Brady & Brees LLP: Month Sales Purchases July $49,600 $29.700 August $67,200 $37,800 September $80,800 $54,900 Cash is collected from customers in the following manner: The month of sale: 30% The month following the sale: 70% 20% of purchases are paid for in cash in the month of purchase, and the balance is paid the following month. Labor costs are 25% of sales. Other operating costs are $30,000 per month (including $5.000 of depreciation). Both of these are paid in the month incured. The cash balance on September 1 is $4,380. A minimum cash balance of $4,000 is required at the end of September. Money can be borrowed in multiples of $1.000. How much is the cash balance on September 30th? $10,760 $5.950 $4,680 $4.240