What is the cash flow for the month of July?

(a) £3,000

(b) £6,000

(c) £9,000

(d) £13,000 

The following information relates to question. 

On 1 July, a business starts selling goods on credit for the first time. During the month of July, the business sells goods on credit for £12,000 and sells further goods for cash £9,000. One quarter of the credit customers pay their bills before the end of July. There are no stocks at the start or end of the month. Goods costing £8,000 are acquired on credit during the month. Three quarters of purchases are paid to suppliers in July. There were no trade creditors at the start of July.