Jack and Tim produce calculators for CASIO. Jack is new and can only produce 60 calculators per hour, while Tim's experience allows him to produce 120 calculators per hour. CASIO buys a new machine that can produce 100 calculators per hour. Both Jack and Tim work 40 hours per week, but one of them is assigned to use the machine instead of producing calculators by hand. To obtain maximum average hourly productivity. is assigned to use the machine and their combined average hourly productivity as a team is calculators. A Jack; 80 B Jack: 110 C Tim; 110 D Tim; 80High rates of investing and saving in the home sector promote economic growth by: A increasing human capital. B improving the social and legal environment. C increasing physical capital. D improving technology.Jack owns a big diamond ring he purchased for $ 6,500. When he has it appraised he learns that it is now worth $6,000. Based on this information: A Jack has experienced a $500 capital lost. B Jack saving this year has decreased by $500. C Jack has experienced a $500 capital gain. D Jack saving this year has increased by $500