Whoever orally or in writing makes any of the following threats and thereby causes another against the other's will to do any act or forbear doing a lawful act is guilty of coercion and may be sentenced as provided in subdivision 2:
(1) a threat to unlawfully inflict bodily harm upon, or hold in confinement, the person threatened or another, when robbery or attempt to rob is not committed thereby; or
(2) a threat to unlawfully inflict damage to the property of the person threatened or another; or
(3) a threat to unlawfully injure a trade, business, profession, or calling; or
(4) a threat to expose a secret or deformity, publish a defamatory statement, or otherwise to expose any person to disgrace or ridicule; or
(5) a threat to make or cause to be made a criminal charge, whether true or false; provided, that a warning of the consequences of a future violation of law given in good faith by a peace officer or prosecuting attorney to any person shall not be deemed a threat for the purposes of this section.
Whoever violates subdivision 1 may be sentenced as follows:
(1) to imprisonment for not more than 90 days or to payment of a fine of not more than $1,000, or both if neither the pecuniary gain received by the violator nor the loss suffered by the person threatened or another as a result of the threat exceeds $300, or the benefits received or harm sustained are not susceptible of pecuniary measurement; or
(2) to imprisonment for not more than five years or to payment of a fine of not more than $10,000, or both, if such pecuniary gain or loss is more than $300 but less than $2,500; or
(3) to imprisonment for not more than ten years or to payment of a fine of not more than $20,000, or both, if such pecuniary gain or loss is $2,500, or more.