Power of attorney did not include power to create joint accounts with rights of survivorship, or to commingle assets of the principal with the agents, so the creation of a joint account was invalid and the money in the account was part of the principal’s estate. Miller Estate, 7 Fid.Rep.3d 195 (Cumberland Co. O.C. 2017), rev’d, 312 MDA 2017 (Pa. Super. 11/6/2017) (non-precedential).