Depreciation in few months

HI!

My client has a specific requirement regarding depreciation calculation.

It is production company which one type of product produce from February till September.

So, they want to calculate and post depreciation for few assets for whole year in months when production occur, and for other assets they want calculate and post depreciation as usually, linear every month.

Please, do you have some idea, can you help me how to solve this situation.

thanks..

VK