A company produces a new product for which it estimates the annual sales to be 5000 units. Suppose that in any given year $10$ % of the units (regardless of age) will become inoperative. How many units will be in use after n years?
A) $50,000 \left( 1 - 0.9 ^ { n } \right)$
B) $50,000 \left( 0.1 ^ { n } \right)$
C) $5000 \left( 1 - 0.9 ^ { n } \right)$
D) $5000 \left( 0.9 ^ { n } \right)$
E) $50,000 \left( 1 - 0.1 ^ { n } \right)$

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The Answer of A company produces a new product for which it estimates the annual sales to be 5000 units. Suppose that in any given year $10$ % of the units (regardless of age) will become inoperative. How many units will be in use after n years?
A) $50,000 \left( 1 - 0.9 ^ { n } \right)$
B) $50,000 \left( 0.1 ^ { n } \right)$
C) $5000 \left( 1 - 0.9 ^ { n } \right)$
D) $5000 \left( 0.9 ^ { n } \right)$
E) $50,000 \left( 1 - 0.1 ^ { n } \right)$

A Company Produces a New Product for Which It Estimates 101010

A Company Produces a New Product for Which It Estimates $10$