7. On January 2018, Rahim International imported raw materials of school bags for Tk. 1,00,000 and sold it to Arif Ltd for Tk. 1,20,000. Using these materials, Arif Ltd made 150 pieces of school bags and sold it to Younus and sons, a wholesaler, for Tk. 1,70,000. Younus and Sons sold the bags to a retailer, KB International for Tk. 2,00,000. KB International sold all the bags to various customers for Tk. 2,50,000. In each case and each stage 15% VAT is to be considered. Compute VAT in each case.