Why are employees required to sign their time cards each week upon receipt of their check? To acknowledge that they received their check and to acknowledge the number of hours that they worked during that time period To acknowledge that they received their check To acknowledge that they received their check, to acknowledge the number of hours that they worked during that time period, and to acknowledge that the payroll journal pasting is correct To acknowledge the number of hours they worked that time period To acknowledge that the payroll journal posting is correct