With no explanation, chose the best option from "A", "B", "C" or "D". and rea sons of the appellant with respect to the issues presented, ... with citations to the authorities, statutes, and parts of the record relied on." Utah R.App.P. 24(a)(9) (emphasis added). An appellate court " 'is not simply a depository in which the appealing party may dump the burden of argument and research'" Thomas, 1999 UT 2 at ¶11, 974 P.2d 269 (quoting State v. Bishop, 753 P.2d 439, 450 (Utah 1988)). 44 The Gorostietas complain of jury instructions 16, 21, 22, 24, 25, 27, and 28 in their statement of the issues but then completely fail to support this claim anywhere in their argument or their reply brief. We therefore do not address it. B. Excluding Statutory Language from Jury Instruction 145 The Gorostietas requested that seetion 41-6-80 of the Utah E.2d 443, 450 (1998) (<HOLDING>); Coleman v. Erie Thriftway Supermarket, Inc.,

A: holding that medical bills offered through plaintiffs testimony alone may require more if rebuttable presumption of reasonableness and necessity is challenged
B: holding that statute establishes rebuttable presumption of reasonableness of charges but necessity must still be proven
C: holding that guidelines create a rebuttable presumption
D: recognizing a presumption of reasonableness
B.