Calculate net cash flows from Operating Activities from the following details.

Rs

Profits earned during the year 2008

50,000

Transfer to General Reserve

10,000

Depreciation provided

20,000

Profit on Sale of Furniture

5,000

Loss on Sale of Machineries

10,000

Preliminary Expenses retain off

10,000

Particulars

2007 Rs

2009 Rs

Debtors

10,000

15,000

Bills Receivable

7,000

5,000

Stock

15,000

18,000

Prepaid Expenses

2,000

3,000

Bills Payable

15,000

25,000

Creditors

20,000

18,000

Outstanding Expenses

3,000

4,000