The time taken for guests to check out at a hotel front desk was measured over the course of several weeks. the management believes that the target time for checking out guests should be between 2 and 3 minutes with a target of 2.5 minutes. the data gathered for the actual process had a mean time of 2.75 minutes with a standard deviation of 0.45 minutes. the process capability index will be:

select one:

a. more than 4 but less than or equal to 5.

b. more than 3 but less than or equal to 5.

c. more than 5.

d. less than or equal to 1.

Kirnon clinic uses client-visits as its measure of activity. during july, the clinic budgeted for 3,250 client-visits, but its actual level of activity was 3,160 client-visits. the clinic has provided the following data concerning the formulas to be used in its budgeting: fixed element per month variable element per client-visitrevenue - $ 39.10personnel expenses $ 35,100 $ 10.30medical supplies 1,100 7.10occupancy expenses 8,100 1.10administrative expenses 5,100 0.20total expenses $ 49,400 $ 18.70the activity variance for net operating income in july would be closest to: