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If the production is increased to 120 pieces per hour, the profit is:

A. 24.5%

B. 34.5%

C. 44.55%

D. 39.5%

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Explanation:

শতকরা বার্ষিক কতটাকা সুদে ৫০০০ টাকার ৪ বছরের সুদ ২০০০ টাকা হবে?
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If the production is increased to 120 pieces per hour, the profit is: