11.7 When we are selling Gold, Diamond or Silver Jewellery to the end consumer (Customer) like a Gold Chain weighing 10 gm at a total value of Rs. 30,000/- (gold value is Rs. 28000/- and making charges on that gold chain is Rs 2000/-), can we charge GST @3% on the total value or @3% on the gold value and @5% on making charges.?