erry Fox Ltd. took the following actions to improve internal controls. For each of the following actions, identify the internal control principle the company followed. a. Cash registers contain locked electronic files that keep records of each sale. b. Employees requesting purchases of inventory cannot approve payment for that inventory. c. Each cashier is designated a specific cash drawer and is solely responsible for cash in that drawer. d. Preprinted forms are used to reduce the chance of missing transaction details e. The company's internal auditors frequently assess the performance of internal controls. f. Prohibit the recordkeeper from having control over cash