MBA Program
Institute of Business Administration
University of Dhaka
Course: Mathematics for Decisions (K501)
Quiz 1
Time: 10 minutes
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DESA bills its customers Tk 100 demand charge and Tk 50 services charge. Then Tk 2.25 for each unit consumed. If consumption is more than 100 unit the tariff rate is tk 2.65 for each unit above 100 unit. The customer has to pay 15% VAT on total tariff.
a) Determine the total tariff function including VAT - 5
b) If one customer has to pay Tk 650 (including VAT) for electricity consumption, compute the units consumed - 2.5
c) If one customer has to pay Tk 650 (without VAT) for electricity consumption, compute the units consumed - 2.5
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