Threats by finance company presumed to be made by manufacturer or wholesaler.

Any threat, express or implied, made directly or indirectly to any motor vehicle dealer by any finance company or agent thereof, who is affiliated with or controlled by any manufacturer or wholesale distributor of motor vehicles, that such manufacturer or wholesale distributor will terminate her or his contract with or cease to sell motor vehicles to such dealer unless such dealer finance the purchase or sale of motor vehicles only with or through a designated finance company or sells and assigns the conditional sales contracts, chattel mortgages, or other paper arising from her or his retail sales of motor vehicles only to a designated finance company, shall be presumed to be made at the direction of and with the authority of such manufacturer or wholesale distributor of motor vehicles, and shall be prima facie evidence of the fact that such manufacturer or wholesale distributor of motor vehicles has sold or intends to sell motor vehicles on the condition or with the agreement or understanding prohibited in s. 545.02.