6(a)(i) 21 and 17.5 . . . . . . . (6)(a)(ii) 1.55 and 1.48 . . . . . . . (6)(b)(i) 45000 adverse (ii) 3400 favourable (iii) 18000 adverse (iv) 5000 adverse. . . . . . . My answer may be wrong share ur answer any pls pls pls rectify me for wrong answer of all post