A manufacturer estimates that he can sell a maximum of 100,000 digital tape recorders in a city. His total sales grow at a rate proportional to the distance below this upper limit. If after 4 months total sales are 50,000, find a formula for the total sales after t months. Then use your answer to estimate the total sales at the end of the first year.

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Q: $791,000

A: answer is in next step

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