The government's budget watchdog said Monday it expects the federal government's plan to increase the GST credit and offer a one-time payment to Canadians will cost Ottawa an estimated $12.4 billion over five years.

Ottawa’s plan for GST relief set to cost $12.4 billion over 5 years, PBO says
The government's budget watchdog said Monday it expects the federal government's plan to increase the GST credit and offer a one-time payment to Canadians will cost Ottawa an estimated $12.4 billion over five years.