If you fly a reasonable amount your costs will be significantly impacted by fuel. The numbers below are for my aircraft (MCR01) so you will need to use yours;
Fixed costs
Insurance 800
Hangarage 1000
Permit/maintenance 450
Total p/a 2250
Per hour
Fuel per hour 22
So for 75 hours all in cost is 3900
Cost per hour is £52.
All costs in £
Rod1