The following information is from the books of Auntie Justice, who sells books for the
year ended 31112/05
Sales .................................................................................... 220,000
Stock 1/1/05 ............................................................................60,000
Purchases ................................................................................180,000
Stock 31/12/05 ........................................................................ 70,000
Salaries and wages ................................................................... 8,000
Debtors ....................................................................................16,000
Transport ................................................................................. 6,000
Rent .........................................................................................5,000
Calculate (showing all workings) the
       (a)        gross profit
       (b)       average stock
       (c)        net profit