Exclusive Shoes sells shoes from popular branded names like Diesel, Guess, Palladium, Polo, Crocket & Jones and so forth. Exclusive Shoes started operations six months ago and sells on a wholesale and retail basis.

You obtain the following description of the warehouse function performed for credit sales transactions to its customers.

The warehouse clerk uses the internal sales order to record the goods on a picking slip, which he uses to pick the goods from the warehouse and then sends the goods to the despatch.

Which of the following are weaknesses in the above warehouse function of the credit sales system? $($Please note there could be more than one correct alternative.$)$ Select all the correct alternatives.

Select one or more:

a$.$

Picking slips are not authorised confirming the order is accurate.

b$.$

There is no supervisor$/$warehouse foreman who performs checks to ensure that picked goods are supported by picking slips.

c$.$

The credit limit is not checked before the order is approved.

d$.$

Internal sales orders may not be acted upon, resulting in dissatisfied customers.