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The price of a necklace in a jewellery showroom is $5000.
During Christmas, the price of the necklace was marked down by 35%.
As a result, the amount of profit that a showroom makes for each necklace sold is reduced to $750.
(a) What is the cost price of the necklace?
(b) If a 7% GST was charged on all items sold in the jewellery shop, how much would Sally have to pay for 1 necklace during the sale?
Notes to student: