Marcia, whose hourly wage is $10.25, worked 46 hours last week. Find her gross pay for last week if she earns time and a half for overtime. Charles earns a salary of US$60,000 a year. a) If he is paid biweekly, how much is his gross pay? b) If he is paid semi-monthly, how much is his gross pay per period? c) If he is paid weekly, how much is his gross pay per period? Find the selling price and markup for a pair of jeans that cost the retailer $2800 and is marked up 30% of the selling price.