Match the cost of the item to its cost type.

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The cost of coffee beans at a Starbucks shop

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Depreciation of airplanes at Southwest Airlines

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Nurses' wages at M$.$ D$.$ Anderson Cancer Center, assuming a ratio of one nurse to every five patients

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Electricity cost at a Krispy Kreme Doughnuts store

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The cost of hard drives installed in computers built by Dell

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Store managers' salaries at Barnes and Noble bookstores

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Actors' wages and salaries at Paramount Studios, when the star is paid a base amount plus a percentage of box office receipts

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The cost of fabric used in making shirts at Lands' End

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The cost of cookies provided to guests at check$-$in at Doubletree Hotels

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The cost of a national advertising campaign for Burger King

a$.$

Variable

b$.$

Mixed

c$.$

Fixed

d$.$

Step