According to yesterdays WSJ the business tax breaks will cost $22 billion over the next 11 years. The largest tax break will be on accelerated depreciation which permits companies to take much larger tax deductions on this years capital investments instead of spreading them over a number o f years. Under the proposal, a company would be able to add a larger deduction immediately of at least 50% of the cost of the equipment to a portion of the norma deduction.