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 Male ducks have an eclipse plumage similar to females that they wear after the breeding season for about a month as their new feathers grow. 2  During that month, they are completely flightless and more vulnerable to predators. 3  Most duck species are monogamous for a breeding season but they do not mate for life.