Benchmarking The call center of Wobegon Electric Company handles 1.13 million calls per year. The average call requires six minutes of operator time, and 40 percent of the calls require a supervisor to be involved for at least half of the call time. Operators are paid $9 per hour, and supervisors are paid $15 per hour. After Wobegon Electric engaged in process benchmarking, call times were reduced by one minute, and the number of supervisor-involved calls were reduced by 15 percent. The benchmarking study cost Wobegon Electric Company $188,000. a. What was Wobegon Electric's total labor cost and labor cost per call at the call center prior to benchmarking? Total labor cost $ 0 Labor cost per call $ 0 b. What was Wobegon Electric's total labor cost and labor cost per call at the call center after benchmarking? Note: Do not round until your final answer. Note: Round the labor cost per call to two decimal places (i.e., round 3.4555 to 3.46). Total labor cost $ 0 Labor cost per call $ 0 c. If the new results are expected to continue for three years, was engaging in the benchmarking study profitable to Wobegon Electric Company? Benchmarking study resulted in a $ 0 Please answer all parts of the