Joint cost of three products A, B and C was OMR 42000. The selling prices of the products were OMR 75, OMR 50 and OMR 100 respectively. What will be the joint costs of the products, if costs are apportioned by following the sales value method and unit prices as the basis?

a-Product X- OMR 13000, Product Y - OMR 7000 and Product Z- OMR 22000

b-Product X- OMR 14000, Product Y - OMR 9333 and Product Z- OMR 18667

c-Product X- OMR 18000, Product Y - OMR 14000 and Product Z- OMR 8000

d-Product X- OMR 15000, Product Y - OMR 8000 and Product Z- OMR 19000