Udupi, a fictional catering service, prepares and serves meals at wedding receptions, anniversary celebrations, and birthday parties. The data in the following table provide the company€™s labor and material usage for the past four weeks for various events. The labor cost is US$10 per hour. Compute the multifactor productivity measure for each event, and explain the differences in productivity among the events:

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Labor Material Price per Meal Number of Event Cost Hours Meals Served Birthday party Wedding reception Graduation party Anniversary celebration $450 $10 50 150 $40 $2,400 80 200 40 $720 $12 120 140 $1,400 $15 50