ABC Computer Company has a $20,000,000 factory in Silicon Valley. During the current year ABC builds $2,000,000 worth of computer components. ABC's costs are labor, $1,000,000; interest on debt, $100,000; and taxes, $200,000.

ABC sells all its output to XYZ Supercomputer. Using ABC's components, XYZ builds four supercomputers at a cost of $800,000 each ($500,000 worth of components, $200,000 in labor costs, and $100,000 in taxes per computer). XYZ has a $30,000,000 factory.

XYZ sells three of the supercomputers for $1,000,000 each. At year's end, it had not sold the fourth. The unsold computer is carried on XYZ's books as an $800,000 increase in inventory.

a . Calculate the contributions to GDP of these transactions, showing that all three approaches give the same answer.

b. Repeat part (a), but now assume that, in addition to its other costs, ABC paid $500,000 for imported computer chips.

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