Mridula runs a small pet shop. Her expense distribution is given as: 90% in procurement and 10% in paying rents and electricity. If she spends Rs. 15,000 on rent and electricity on a monthly basis. then how much does she spend every month in procurement?
A jeweller made a piece of uniquely designed diamond necklace and the selling price was fixed at Rs.10,00,000. In making this piece, on the raw material, the jeweller had invested Rs.3,00,000 and had paid a labour charge of Rs.2,00,000. If 20% of the raw material cost was of gold, what is the actual amount the jeweller had spent in procuring the gold?