Lillian Fok is president of Lakefront Manufacturing, a producer of bicycle tires. Fok makes 1,200 tires per day with the following resources: Labor: Raw Material: Energy: Capital: 425 hours per day @ $12.50 per hour 21,000 pounds per day @ $1.00 per pound $5,000 per day $10,250 per day a) Labor productivity per labor hour for these tires = tires/labor hour (round your response to two decimal places). b) Multifactor productivity for these tires = [ tires/dollar (round your response to four decimal places). c) The percent change in multifactor productivity if Fok can reduce the energy bill by $950 per day without cutting production or changing any other inputs = % (enter your response as a percentage rounded to two decimal places). Note: calculate the new multifactor productivity to four decimal places before calculating the percentage change.