Employees at the unionized Towson, Maryland Apple Store are this week negotiating with Apple for new benefits, and have asked for higher pay, tips, and changes to leave policies, reports Bloomberg. Employee representatives have requested raises of up to 10 percent and they want Apple to implement a tipping system that would provide customers with the option to offer 3%, 5%, or custom tips when checking out with an in-store credit card transaction. "This will allow thankful patrons the ability to express gratitude for a job well done without any obligations," the union said. Tip money would be split among employees based on hours worked. The union is requesting double pay for employees who work more than eight hours per…