When was the pegboard bookkeeping system invented?

What are expenses that a taxpayer is allowed to deduct from adjusted gross income? What is the differences between Fixed Direct labor with variable direct labor? What are the four primary activities of the PCAOB? What are average accounts receivable? Does self employment means you are employed? What mathematics is used in finances? Which Barclay's bank branch has sort code 201225? Interest rate of cash credit account of sbi? A statement of money received and paid with a balance? How To Create an Invoice? How does general contractor get paid? The European Parliament meet in Strasbourg or Brussels? How are credit cards used? What is the IRS Tax on Sale of Non-investment Personal Real Estate? What is the tax in which a percentage paid decreases as income increases? What quarter should completing and submitting the next fiscal year's budget execution plan finalizing the 2nd tri-annual review? A statics chart on taxes paid by the wealthy? Where do I mail Form 941-V from Massachusetts? Need of budgetary control? Does a nephew in NJ who is included in his uncles will have to pay 15 percent inheritance tax?