{1 point) Atwo-day environmental clean up started at 9AM on the rst day. The number of workers fluctuated as shown in the gure. Suppose that the workers were paid 16 dollars per hour for work during the time period 9 am to 5 pm and were paid 24 dollars per hour for work during the rest of the day. What would the total personnel costs of the Clean up have been under these conditions? total (3051 = dollars 4|