There’s less than a month until taxes are due. It’s the most wonderful time of year, isn’t it? As you probably know, there are some changes in deductions, limits, and refund amounts this year, but who the changes affect depends on many variables. For Bloomberg, Ben Steverman and Marie Patino, provide an easier-to-follow breakdown of common groups and variables, how the groups’ total taxes differ from last year, and how they contrast against each other.