aztec furnishings makes hand-crafted furniture for sale in retail stores. THe furinture maker has recently installed a new assembly process, including a new sander and polisher. with this new system, production has increased to 90 pieces of furniture per day from the previous 60 pieces of furniture per day. the nuumber of defective items produced has dropped from 10 pieces per day to 1 per day. the production facility operates strictly eight hours per day. Evaluate the change in productivity for Aztec using the new assembly process.