Assume that Hotel Excellent uses activity-based costing to allocate hotel overhead to guests. In Hotel Excellent, if the budgeted costs for the housekeeping department are $900,000, and total estimated activity-base usage is 27,000 hours, calculate the housekeeping department's activity rate. (Round answer to two decimal places.)

a. $30.00 per housekeeping hour
b. $45.00 per housekeeping hour
c. $33.33 per housekeeping hour
d. $35.88 per housekeeping hour