The Broadmoor Hotel in Colorado Springs, Colorado, maintains its five-star rating by focusing on five service characteristics: reliability, responsiveness, assurance, empathy, and tangibles. The hotel has been updating rooms built in the early part of the 20th century to meet the needs of 21st-century visitors. To accomplish this, it spent millions in improvements, renovating rooms, and adding a new outdoor pool complex. These renovations focus on the ________ service characteristic. a. empathy b. reliability c. assurance d. tangibles e. responsiveness