13. Is the following consumption {input-output] matrix for a closed or open model? (circle one} 0.0? 0.06 0.04 0.11 0.22 0.44 0.1 0.44 0.1? 19. a manufacturer of ski clothing makes ski pants and ski jackets. The prot on a pair of ski pants is $2.00 and the prot on a jacket is $1.50. Both pants and jackets require the work of sewing operators and cutters. There are 60 minutes of sewing operator time and 48 minutes of cutter time available. It takes 8 minutes to sew one pair of ski pants and 4 minutes to sew one jacket. Cutters take 4 minutes on pants and 8 minutes on a jacket. Find the number of pants and jackets the manufacturer should make in + order to maximise prot