Question
Sat March 14, 2015 By: Susheela Bhat

A publisher employs an agent under the following conditions:
"Ruppes 450 per week and 5% of sale in the agent's credit ". Considering that all all the books are sold at rs 20 each and one year has 52 weeks;find:
* the total earnings of the agents in the year in which he sells 25,000 copies.
* The percentage increase in agent's earnings  in the next year when sale increases by 40 percent.

Expert Reply
Prasenjit Paul
Sun March 15, 2015
T o t a l space s a l e s space i n space t h e space w h o l e space y e a r equals 25000 cross times space 20 space equals R s space 500000 S a l e s space c r e d i t space t o space t h e space a g e n t space equals space 5 % space o f space 5 comma 00 comma 000 equals R s space 25000 S a l a r y space o f space t h e space a g e n t space equals space 450 cross times 52 equals R s space 23400 left parenthesis i right parenthesis T o t a l space e a r n i n g s space o f space t h e space a g e n t space equals space 23400 plus 25000 equals R s space 48400 S a l e s space i n space t h e space n e x t space y e a r space equals 500000 plus 40 over 100 cross times 500000 equals 700000 S a l e s space c r e d i t space f o r space n e x t space y e a r equals 5 over 100 cross times 700000 equals R s space 35000 E a r n i n g s space o f space t h e space a g e n t space i n space t h e space n e x t space y e a r equals space 23400 plus 35000 equals 58400 left parenthesis i i right parenthesis I n c r e a s e space i n space s a l e s space equals space fraction numerator 58400 minus 48400 over denominator 48400 end fraction cross times 100 equals 10000 over 48400 cross times 100 equals 20.67 %
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