(1) If the commission determines that a service is not regulated and the telecommunications provider also provides regulated telecommunications service the commission may require information regarding:

(a) the revenues of and the cost of providing the not regulated service;

(b) the loss, if any, in net expected contribution to the revenue requirement of regulated service caused by the deregulation; and

(c) whether the provider proposes to adjust rates in its regulated service to compensate for the loss of contribution.