Lilian intends on tiling her dining room and lounge floor.the dimensions of the lounge floor is 4m by 5m and the dining room is 3m by 4m . Lilian wants to use square tiles that have length of 35 cm .one box of 4 tiles costs R143, 84 . Determine the cost of tiles if and 12% of tiles is needed to account for cuttings and breakages