Iift 2015 Question 39
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IIFT
We have to find for how many pages, the cost of printing including the price of the printer, will be same for both the printers.
Let the number of pages be n
For inkjet printer, the cost is 5000 + 1.80*n
For laser printer, the cost is 8000 + 1.50*n
Equating: 5000 + 1.80*n = 8000 + 1.50*n
n=10000
For n>10000, the per page printing cost is lesser for laser printer than inkjet printer.
So, firm should purchase laser printer if number of pages printed are more than 10000.
Hence, option B is the correct answer.