Lillian Fok is president of Lakefront​ Manufacturing, a producer of bicycle tires. Fok makes 1 comma 000 tires per day with the following​ resources: ​Labor: 425 hours per day ​@​ $12.50 per hour Raw​ Material: 21 comma 000 pounds per day​ @ ​$1.50 per pound ​Energy: ​$5 comma 000 per day ​Capital: ​$10 comma 000 per day ​a) Labor productivity per labor hour for these tires​ = nothing ​tires/labor hour ​(round your response to two decimal​ places).