Question 15 (2 points) Listen Walmart recently signed a contract with P&G that will require P&G to track and replenish inventory for P&G products sold at Walmart by linking in to Walmart's sales database. The relationship between Walmart and P&G is an example of optical character recognition. sales force automation. electronic data interchange. vendor-managed inventory. Question 16 (2 points) () Listen The best example of an effective payroll transaction file hash total would most likely be sum of net pay. total number of employees. sum of hours worked. total of employees' social security numbers