Heads Up :
The post you are writing will appear in a public forum. Please ensure all content is appropriate for public consumption. Review the employee guidelines for the community here.
You are not supposed to have a tie breaker at port ID level as one link is Fast Ethernet (path cost=19) and GigaEthernet (path cost=4). So the latter would be preferred for Root Port of Designated Port before coming to the port ID tie breaker.