Answer:
Their respective bases in their partnership interests at the end of 2017 were $33,000 for Bobbie and  $22,000  for Fran
Explanation:
In order to calculate Their respective bases in their partnership interests at the end of 2017 first we have to calculate the Income from partnership as follows:
Income from partnership=Ordinary income + long term capital gains + muncipal bond interest
=$30,000 + $10,000 + $5,000 = $45,000
Therefore, the computation of respective partnership interests at the end of 2017 would be as follows:
                              Amount(in $)
Particulars                       Bobbie           Fran
(1) Opening interest in partnership     $18,000         $12,000
(2) Add:- share of income(3:2) Â Â Â Â Â Â Â Â $27,000 Â Â Â Â Â Â Â Â Â $18,000
(3) Less:-Partnership distributed      $12,000          $8,000
(4) Â Closing interest in partnership as
at the end of 2015 (1+2-3)= Â Â Â Â Â Â Â Â Â Â $33,000 Â Â Â Â Â Â Â $22,000
Their respective bases in their partnership interests at the end of 2017 were $33,000 for Bobbie and  $22,000  for Fran