1. Eye Spy Optometry had revenues that averaged $60,000 in January and $50,000 in February. During January the office employed six full-time workers working 40 hours/week. In February the office employed four full-time workers working 40 hours per week. (Note: Assume that there are four weeks in each month and equal productivity for each hour worked.) a. [10 points] What is the labor productivity for January? b. [10 points] What is the labor productivity for February? c. [10 points] What is the productivity change from January to February for Eye Spy