Accord 2.4 Exe Workshop costs and LPG questions

Hello guys, we are about to buy a current Accord 2.4 Automatic Exe. Therefore, I would like to know how experienced the inspection costs are. How high are the material costs of an inspection in about and how many work units are used for it?. Is an hourly rate of around 70€ normal for a Honda dealer? Furthermore, I would like to know what it looks like with an LPG conversion with the respective engine with 201ps. Does the car have or are What tank size fits in? With this only one option and no need is wishes to all Honda drivers Happy Easter and thank me very much in advance. LG Bumer645