Occupancy Cost History. A cost history compares the growth rates of occupancy costs with those of revenue, income, staffing, and other operating expenses. It also compares the cost per square foot in any given facility with the square feet per employee in various business functions over a 10-to 20-year period.
No, Like other species of birds, Ducks do not have teeth but instead use their beaks to catch their food. Ducks have rows of thin bristles in their mouths that enable them to filer nutrient particles out of the water. Written Jul 19, 2015 â¢ View Upvotes.
1 The standard duckâs quack is the sound of a female Mallard. Males donât quack; they make a quieter, rasping sound.  Mallards, like other ducks, shed all their flight feathers at the end of the breeding season and are flightless for 3â4 weeks.