average variable costs
81Power factor — For other uses, see Power factor (pistol). The power factor of an AC electric power system is defined as the ratio of the real power flowing to the load over the apparent power in the circuit,[1][2] and is a dimensionless number between 0 and 1… …
82Huffman coding — Huffman tree generated from the exact frequencies of the text this is an example of a huffman tree . The frequencies and codes of each character are below. Encoding the sentence with this code requires 135 bits, as opposed of 288 bits if 36… …
83Insurance — This article is about risk management. For Insurance (blackjack), see Blackjack. For Insurance run (baseball), see Insurance run. In law and economics, insurance is a form of risk management primarily used to hedge against the risk of a… …
84Net present value — In finance, the net present value (NPV) or net present worth (NPW)[1] of a time series of cash flows, both incoming and outgoing, is defined as the sum of the present values (PVs) of the individual cash flows of the same entity. In the case when… …
85building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
86United States Postal Service — This article is about the government agency. For individual post offices, see U.S. Post Office (disambiguation). For the cycling team, see Discovery Channel Pro Cycling Team. USPS redirects here. For the non profit boating safety and education… …
87Medicare (United States) — President Johnson signing the Medicare amendment. Former President Harry S. Truman (seated) and his wife, Bess, are on the far right …
88London congestion charge — At Old Street, street markings and a sign (inset) with the white on red C alert drivers to the charge. The sign displays the original operating hours for the scheme …
89Mortgage loan — Mortgage redirects here. For other uses, see Mortgage (disambiguation). Finance Financial markets …
90japan — japanner, n. /jeuh pan /, n., adj., v., japanned, japanning. n. 1. any of various hard, durable, black varnishes, originally from Japan, for coating wood, metal, or other surfaces. 2. work varnished and figured in the Japanese manner. 3. Japans,… …
