A marketing manager is able to manage an average of Rs240 per week during 40h week . But in the final week of the month, his rates are increased by 50%. Then find out the commission the marketing manager makes in that week, if he puts in 60h during that final week? Choose the correct choice.
A) 500  B) 540  C) 520  D) 600  E) 700
Answer   Average rate per hr = 240/40= 
<gadget id="calculator">240/40</gadget>
<output>6</output>
Rs6/hr   In last week, his rate per hour increases by 50%,   so in the last week, his hourly rate= Rs.6 x (1+50%)= Rs.9   Total hour spent in final week = 60h   ∴ Total commission = 60h x Rs.9/hr = Rs.540   Correct Option: 540
<result>B</result>
A marketing manager is able to manage an average of Rs240 per week during 40h week . But in the final week of the month, his rates are increased by 50%. Then find out the commission the marketing manager makes in that week, if he puts in 60h during that final week?