Identify the tax issue(s) posed by the facts presented. Determine the possible tax consequences of..

Identify the tax issue(s) posed by the facts presented.
Determine the possible tax consequences of each issue that you identify

Doris purchases a ski cabin in Montana during the current
year. She hires a real estate management company to rent out the cabin on a
daily basis. The real estate management company tells Doris to expect an
average of 70 rental days per year. Doris intends to use the cabin for her
vacation 3 weeks during the year.