price of tv set inclusive of sales tax of 9% is rs 13407. find its marked price. if sales tax is increased to13%, how much more does customer has to pay for tv? solve this problem.
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MP=100/109×13407=12300. Marked price is 12300. More money he have to pay is 13/100×12300=1699.total 12300+1699=13899. More money he have to give is 13899-13407=492 extra.
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