(a) The manager of a certain office supply store plans to increase the stock of calculators by a certain percentage. The current supply of calculators is 170, and the manager plans to carry 195. Find the percent increase. Choose the correct answer below. 195 - 170 OA. 195 195 - 170 OB. 170 195 - 25 OC. 25 170 - 25 OD. 25 195 - 25 OE. 195

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A: Here I am attaching image so that you understand each and every step.

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A: