Some costs have components that are fixed and some that are variable. One example is wages for your sales force. A portion of the wage for a salesperson may be a fixed salary and the rest may be sales commission.
Hornets are the largest eusocial wasps, reaching up to 45 millimetres (1.8 inches) in length. Yellowjackets are black-and-yellow wasps of the genus Vespula or Dolichovespula (some can be black-and-white, the most notable of these being the bald-faced hornet, Dolichovespula maculata).
The adult male barn swallow of the nominate subspecies H. r. rustica is 17â19 cm (6.7â7.5 in) long including 2â7 cm (0.79â2.76 in) of elongated outer tail feathers. It has a wingspan of 32â34.5 cm (12.6â13.6 in) and weighs 16â22 g (0.56â0.78 oz).