If all receipts are registered by three clerks who use a cash register with a single cash drawer. a. there are weak internal controls unless the three clerks are bonded. b. there is an internal control weakness as related to the establishment of responsibility c. there is an internal control weakness related with documentation d. there is no internal control weakness at all If all receipts are registered by three clerks who use a cash register with a single cash drawer. a. there are weak internal controls unless the three clerks are bonded. b. there is an internal control weakness as related to the establishment of responsibility c. there is an internal control weakness related with documentation d. there is no internal control weakness at all