please answer A, B, and C.

To determine the standard time for a job with four tasks, a time study was conducted. Observed times and performance ratings for six cycles are shown in the table below. OSSERVATIONS (minutes per ty Performance Rating 1 50 15 1 0.36 136 0.71 2 0.41 1. 0.71 1.03 1.31 + 0.31 1.31 0.66 1.01 0231 1.11 2.1 1.01 6 0.11 1. 0.66 . a. Calcolate average cycle time for each element. (Round your final answers to 3 decimal places) Average 1 2 3 b. Calculate normal time for each element (Round your final answers to 3 decimal places.) Normation Element 1 2 3 4 c. Assuming an allowance factor of 6 percent of job time, compute the standard time for each element of this job, (Round your final answers to 3 decimal places.) Element Standard time 1 2 3 4