Q)
Yogesh Dhir wants to invest atmost Rs.12000 in saving certificates and national saving bonds. According to rules, he has to invest atleast Rs.2000 in saving certificates and atleast Rs.4000 in national saving bonds. If the rate of interest on saving certificate is 8% per annum and the rate of interest on national saving bonds is 10% per annum, how much money should he invest to earn maximum yearly income? Find also his maximum yearly income.
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