For full-timers, that’s like losing $2.25 an hour in the first year. For part-timers guaranteed 17.5 hours a week, that’s $5.14 an hour in the first year. By the end of the contract, you would be paying nearly $7,000 more a year, or over $130 a week.That’s $3.32 an hour for a full-time worker in the final year of the contract. For part-timers, the cost is $7.53 an hour. Over the life of the agreement, it will cost you nearly $30,000.