Which internal control methodology provided below would be the best solution to resolve the following problem? All the cash for the business was left in the desk of one of the accounting staff. a. 1-Establishment of responsibility b. 2-Documentation procedures c. 3- Physical and IT controls d. 4-Independent checks of performance Which internal control methodology provided below would be the best solution to resolve the following problem? The business had four people which handled cash in the business. a. 1-Establishment of responsibility b. 2-Documentation procedures c. 3- Physical and IT controls d. 4-Independent checks of performance