Refund of ITC

suppose i make purchases of Rs 100 of different raw materials having different gst rates say 12% and 18% now the raw material cost me 116 including Rs 16 as gst
i add labour and other expenses and profit to it and make the final product priced at Rs 150 and the rate of gst on this product is 5%.
I WANT TO KNOW how much will i ITC GET in refund