How to add dropdown selected data to table using jquery

I am trying to add data from a select dropdown to a table so in the first table td cell it would display the service name then in the second table td cell it would display the service cost.

I found this on the forum https://stackoverflow.com/questions/41034014/how-to-add-dropdown-selected-data-to-table-using-jquery which works but just adds the service name only so am trying to amend it so it adds the service cost to the second table td cell but am getting stuck with it. It's not...

How to add dropdown selected data to table using jquery