there is no connection between the planning price and the possible seasons of the planned work. The price always depends on how many tokens are on the planned work (if there is no token on it = the PW is always for free, if there is 1 token on it = the PW costs 1 dollar …aso). Also the numbers on the tokens (1,2,3) don´t have any connection to the planning price.
But the planning price is dependent then on when you put down your token, if I interpret the rules correctly. So for example if I only have the "2"'s left in the summer, I must wait on putting them down until fall if I will plan it for the spring. In the meanwhile, another player might put one of his markers down on the PW and make it more expensive for me to plan this PW. Right?
If it´s fall and you want to plan for spring (next year) you have to use the token “2” because you count every season (also winter). This doesn´t depend on the seasons when a work is possible to plan.
OK, clear answer!
Thematical context: Next to your “daily work” you are planning some “projekts” (=PW). For some you need more time to plan and execute (“3” seasons) and for some "projekts" you need less time (“1”season)…
Great! Administrative work takes time, that is right