Sheena Mars is a clerk in the shoe department of the Patterson store in Winnipeg. She earns a base monthly salary of $1,890 plus a 5 percent commission on her sales. Through payroll deductions, Mars donates $35 per month io a charitable organization and pays benefit premiums of \$56.15. Compute Mars' gross pay and net pay for December, assuming her sales for the month are $48,000. The income tax rate on her eamings is 20 percent, the CPP contribution is 5.45 percent (account for the $3,500 basic annual exemption), and the El premium rate is 1.58 ercent. Mars has not yet reached the CPP or El maximum eaming levels