Explained the value of preparing a contribution income statement. Contribution margin is essentially the dollar contribution per unit of whatever it is thats being made, sold, or offered. An income statement is always a part of basic finance and accounting. There are a couple of different versions of the standard income statement found in accounting and finance, though all income statements are broadly considered profit and loss statements. A contribution margin income statement seeks to explicate or easily illustrate or explain and even separate your variable costs from your fixed costs. This sort of income statement serves a wide variety of purposes in accounting, business and finance. For one keeping an eye on your contribution margins per unit of something allows you to...