dermadry. Instruction Labuls and Amount Descriptions Labeis Fiand coss For Month Ended danuary 31, 20- Amound Deboribions Contitution margin Cost of goode mandactured Cost of goods wid Ficed mandesturing cosk Fixed seling and acminiatrulise expenses Grona proth Income trom operatons iwentory, Jarwary 31, 20 - Manutacturing maigin Sales Seling and adminiatrative expenses Variabie cout of goods marutactured Variasle oost of pooss sold Varable seling ard administrative inpenses that amount as a negative number using a minus skg. Varabie Costing laceme Bislemond Hat amount as a neonve namber uping a mines sign