Total point earned by Srikrishna Trader through sells alone =15+(42000−40000)×0.25=515 Total point earned by Srikrishna Trader through brand building activities =80. Therefore, total redeemable points with Srikrishna Trader =515+80=595. he tupperware set alone costs 600 points. Hence, option A, B and C can be ruled out. Therefore, option D is the correct answer.