(b) Let total employee who left CNC and DWF in theyear 2016 be 7a and 9a respectivelyATQ – 172 + 84 – 36 + 108 – 9a + 124 – 28 = 406 9a = 424 – 406 9a = 18 a = 2 Employee left CNC in 2016 = 14 So, total employee working in CNC at the end of 2016 =160+96–18+72–14=296