mary and pablo share a customer support workstation. mary works in the morning, and pablo works in the evening. one day, mary is helping a customer with a support issue. because her shift is over, she creates a word document with details about the customer she was helping. she saves it to the c:\customer folder on the computer. when pablo comes in, he receives a call from the same customer, who is still having support issues. however, when pablo attempts to open mary's file, he is denied access. which of the following is the best solution to allow pablo to open the file?