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Suppose you decide to start a business printing T-shirts. The table below summarizes the number of machines you will need to print T-shirts for a given level of output as well as the marginal product of each additional machine. Assume the equilibrium price of T-shirts is $7. Calculate the value of the marginal product of capital (VMPK) for your T-shirt business. (Enter your rosponsos as integers.) If the rental price of capital is $511 per machine, you will employ