“(1) The hypothetical vendor and purchaser should be assumed to do whatever reasonable people buying and selling the property in question would be likely to have done in real life (IRC v Gray[1994] STC 360 per Hoffmann LJ at 372); (2) The purchaser is a willing purchaser who behaves reasonably and makes proper enquiries about the property (ibid) and is cautiously optimistic about the company’s future prospects (Marks v Sherred[2004] STC 362 at §26); (3) The only information available to the hypothetical purchaser is what is available to the open market (re Lynall deceased: Lynall & another v CIR[1972] AC 680 ; 47 TC 375); (4) The vendor is a reasonable vendor, who goes about the sale as a prudent man of business, negotiating seriously without giving the impression of being over-anxious or unduly reluctant (Gray, as above); … (7) While a sale between parties acting at arm’s length may provide evidence of the market value, it is a logical fallacy to assume that an arm’s length price must equal the market value.”