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 Boeing F/A-18E/F Super Hornet is a twin-engine carrier-based multirole fighter aircraft variant based on the McDonnell Douglas F/A-18 Hornet. The F/A-18E single-seat and F/A-18F tandem-seat variants are larger and more advanced derivatives of the F/A-18C and D Hornet.