the nec directly to the jury unsubstantiated information contained in the exeluded exhibits. See Intermountain Farmers, 574 P.2d at 1165-66; Ross, 578 P.2d at 1290. 137 The best evidence rule provides that "[tlo prove the content of a writing, ... the original writing ... is required, except as otherwise provided in these rules or by other rules adopted by the Supreme Court of this State or by Statute." Utah R.Evid. 1002. The purpose of this rule is primarily to prevent mistake or fraud. See 29A Am.JurZ2d Evidence § 1049, at 511 (1994); 32A C.J.S. Evidence § 1061 (1996); 6 Jack B. Weinstein & Margaret A. Berger, Weinstein's Federal Evidence § 1002.03[1] (Joseph M. McLaughlin, ed., Matthew Bender 2d ed.1997) [hereinafter Weinstein's ]; , 11 Uiazh 24 246, 248, 357 P.2d 496, 497 (1960) (<HOLDING>). 9 . The best evidence rule is also known as
holding that jury has responsibility to determine whether repair bills represent necessary and reasonable expenses holding that statute provides medical bills are admissible as evidence of necessary fair and reasonable charges holding that jury should decide whether plaintiffs testimony proved reasonable and necessary medical expenses holding that medical expenses must be proven to be both reasonable and necessary holding that debtors have the burden of proving that other necessary expenses on form b22c are actual reasonable and necessary expenses and that these expenses should be considered in light of schedule j and other relevant evidence