Acondo owner, a citizen of state a, hired an electrician, a citizen of state a, and a gas worker, a citizen of state b, to fix the wiring in his condo and install a new gas stove. unfortunately, the condo burned down while they were working on it. the condo owner sued the gas worker for negligence, seeking $100,000. the gas worker files a motion to dismiss the case for failure to join the electrician, alleging that he contributed to the fire.

how should the court rule?

a deny the motion and order that the electrician be joined as a permissive co-defendant.
b deny the motion and order that the electrician be joined as an indispensable party.
c deny the motion, because the electrician is not a necessary party.
d grant the motion, because the electrician is a necessary party but his joinder would destroy complete diversity.