For each of the following risks suggest a control that could be used to reduce :

a . Clerk took the money received from the clients and did not record in the books

b . The storekeeper used the empty boxes to disguise the goods that they have brought out of the warehouse

c . Paying for goods that have not been received ; Preparing the cheque for the fraudulent invoice

d . Selling to a customer with and overdue account ; Selling to customers at prices lower than the prices listed

e . Odering too much of a product ; Ordering from a nonexistent supplier

f . Entering negative values for order quantity in a sales order