"We calculated that we would be paying $2,600 a month," said one parent of two. "At that point, is it even worth me going back to work?"

In part 2 of her Challenging the Wage Gap series, Dallas Flexhaug talks to a mother who left her job at an energy company to care for her kids, then struggled to get back into the workforce at the same level she left.

A primer on Liberal proposals, from child care to flexible work