Oreston 2 points Ou 9- Cattival Cruise Line's (Y = 3 + bx) cost formula for its cruise ship operating cost 100 plus 5331 per passenger-day. For the month of August, Carnival planned for activity of 13 passenger-days, but the actual level of activity was 15 senger days. The actual cruise ship operating cost for the month of August was 57.585. The spending variance for cruise ship operating cost for the month of August would be diosest to $300F 057900 52720