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In a season of Christmas, every one decorated their home by Christmas tree, stars and gifts. The slant height and the base radius of the Christmas tree is 22 \(cm\) and 17.5 \(cm\). The cost of decorating the Christmas tree is \(₹\)50 per \(100 \ cm^2\). Find the total surface area and the cost of decorating the Christmas tree.
(Take \(\pi=\frac{22}{7}\))
Total surface area of the Christmas tree \(=\) \(cm^2\)
Cost of decorating the Christmas tree \(=\) \(₹\)