Shanti Sweets stall was placing an order for making card board boxes for packing their sweets. Two sizes of boxes were required. The bigger of dimensions `25 c m\ x\ 20 c m\ x\ 5c m` and the smaller of dimensions `15 c m\ x\ 12 c m\ x\ 5c m .5 %` of the total surface area is required extra, for all the overlaps. If the cost of cardboard is `R s .4\ ` for `1000\ c m^3,` find the cost of cardboard required for supplying `250\ ` boxes of each kind.