# of 10gm shrimps: 270k*72*98% = 19051.2 k # of 17gm shrimps: 272k*48*98% = 12794.88 k So sell 19051k-12795k = 6256k size-10gm shrimps # of 66gm shrimps: 1280k*3*99% = 3801.6 k So sell 12795-3801k = 8993.4k size-17 shrimps so sell 3801.6 k size-66 shrimps. (8993.4K * 17)/ (6256k*10) = 2.44 163mt/52mt = 3.13 (should be 2.44) why not the same? 3801k*66/ (8993.4k*17) = 1.64 253mt/163mt = 1.55 (should be 1.64) why not the same?