Susie Samsung runs a cell phone repair shop. She works 9 hours per day at the shop. It usually takes her 1.25 hours to diagnose and fix a typical problem. She is considering buying a new piece of equipment that will help her diagnose the problems faster, in a typical time of 1.15 hours per problem. She would need to spend one hour of time at the at the beginning of each workday setting up the NEW piece of equipment. What is her current productivity? (in terms of problems per day)