Fixed vs Variable Costs. Fixed vs variable, fully allocated, average, marginal and incremental, each of these cost definitions address the need to understand a different facet of production. Fixed costs do not vary with the number of units produced. Variable costs change with production. For example, the rent paid on a factory would be a fixed cost.
mourn. 1  to feel or express sorrow; lament; grieve. 2  to grieve for someone who has died; specif., to manifest the conventional signs of such grief, as by wearing black clothing or a mourning band. 3  to make the low, continuous sound of a dove.
No hoof, no horse. (English proverb) To tell the dog to catch, and the rabbit to run. (Azerbaijani proverb) When you are dead, your sister's tears will dry as time goes on, your widow's tears will cease in another's arms, but your mother will mourn you until she dies.. (Arabic proverb)