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In economics and business decision-making, a sunk cost (also known as retrospective cost) is a cost that has already been incurred and cannot be recovered. [ 1 ] [ 2 ] Sunk costs are contrasted with prospective costs , which are future costs that may be avoided if action is taken. [ 3 ]
With the closing of the port at Sihanoukville to Communist shipping in August 1969, attempted North Vietnamese trawler traffic into South Vietnam resumed. [Note 1] [22] Of 15 trawlers detected by Market Time assets from August 1969 to late 1970, one was sunk, 13 were turned back and only one got through. [21]
Ngô Văn Quyền (HQ-718) was still active and in good condition when South Vietnam fell in 1975, she was taken into the Vietnam People's Navy and served for many more years. A few other Point -class ships reportedly participated in a final defense of Saigon, firing at North Vietnamese troops from the Saigon River in April 1975.
The decommissioned Tacoma-class patrol frigate was sunk as a target. C-165 Vietnam People's Navy: Vietnam War: Tet Offensive: The blockade-running naval trawler was sunk off South Vietnam when her cargo exploded when the high endurance cutter USCGC Winona (United States Coast Guard) hit her with gunfire. [23] C-235 Vietnam People's Navy
[2] [3] [4] Eventually, North Vietnam and the United States negotiated an end to the war and signed the Paris Peace Accords on 27 January 1973. A protocol to the agreement called for the United States to neutralize American mines in North Vietnam ' s coastal and inland waterways. [3] [4] [5]
Sunk cost From a page move : This is a redirect from a page that has been moved (renamed). This page was kept as a redirect to avoid breaking links, both internal and external, that may have been made to the old page name.
The sunk cost dilemma with its sequence of good decisions should not be confused with the sunk cost fallacy, where a misconception of sunk costs can lead to bad decisions. [1] Sunk-cost fallacy occurs when people make decisions about a current situation based on what they have previously invested in the situation.
In 1967, the NVA organization in the northwest was under two Military Regions (MR), MR-4 north and south of the DMZ, and MR-5 (also known as MR-S) for Communist units in the northern part of South Vietnam. Essentially, the MR-4 command was conventional while MR-5 was guerilla.