The maximum percentage of net spendable income that should be set aside for food is approximately 15%. It can vary from person to person but for mot people this percentage should be the standard. The budget allocation for every spending is required for making a savings from the gross monthly income.
The answer would be 49 + 42b if you multiply 7*7 and 7*6b
42000/12=3500 assuming he doesn't buy anything else like food clothes exc.
