Question 3 African Designer Jewellers uses diamonds and sapphires to produce two styles of rings. A style A ring requires 2 diamonds, 3 sapphires and 1 hour of Thabo the Jeweller's labour. A style B ring requires 3 diamonds, 2 sapphires, and 2 hours of Thabo's time. Each style A ring sells for R7 000 and each style B ring sells for $15000. All rings produced by Thabo can be sold. At present, African Designer Jewellers has 100 diamonds, 120 sapphires and 70 hours of Thabo's Labour. Extra diamonds can be purchased at a cost of 12 000 each. Market demand requires that the company must produce at least 20 style A rings and at least 25 style Brings. To maximise profit, African Designer Jewellers should solve the following LP model: Max PROFIT = 7000%, + 16000X,5 -2000R subject to Diamonds) 2X, + 3.X, Sapphire) 120 Labour) XI + 2X TO StyleA) XI 20 Style By 25 Extra) and Xi. X). R 20