Alice, Bob, Charlie and Daniel went on holiday. Each participated in one of the following beach activities: jet skiing, scuba diving, sea walk, or snorkeling. The rates for these activities were either $30, $40, $65 or $75.

Alice did not spend the highest amount on her activity but spent $10 more than Charlie.

Bob did not participate in jet skiing but his activity costs less than Daniel's activity.

Charlie opted for snorkeling; Alice did not select sea walk as her activity.