19 An analysu of 'ocher ogeratisig costs' meveuls that it includes $140000 variable costs, Which vary with sales vohume, and 560.000 fixed costs. Bengitrent: 1. Compefe (i) the rotal contributionmanginand ais the contribstion mangin percentage of WoodCo. (120 points). 2. Compute the sales nevenue required to achieve a tarbet profit of 5100000 . (6 points) additional advertising costs onoperatine income (6 points) (8) A Recusinet 1. Conpute (i) the total contritustionmargin and (ii) the contritwition margin percentabe of WoodCoi (40 poirks) 2. Compute the sakes revenue requirod to achieve a target peof of 5100.000 . (6 points) additionad advertising costs en operatine kncome. 16 points)