PlZ explain as much as you can

3. Hurley Johnson works as a Janitor in a hospital and earns $11.00 per hour. Johnson's payroll deductions include withheld income tax of 7% of total earnings, CPP of $79, El amounting to $30, and a monthly deduction of $40 for a charitable contribution. Calculate Hurley Johnson's gross pay and net pay assuming he worked 168 hours during the month of June 2019. Round to the nearest whole dollar