Is an adjustment to tax brackets on the cards?

The Treasury will today reveal the state of the Government's books, and it may lead to more tax policy announcements. Nicola Willis, in her role as National's finance spokesperson, has said she's interested in the possibility of tax brackets adjustments, and indicated there may be more for her to say after today's announcement. But is now the time to move the thresholds? Money correspondent Susan Edmunds has been looking into it and spoke to John Campbell.