我知道ｍｉｌｅａｇｅ很麻煩，如果想簡單一點的話，就報一半ｌｅａｓｅ ｃｏｓｔ

https://www.bankrate.com/loans/auto-loans/tax-benefits-of-leasing-vs-buying-a-car/

The specific amount of the lease payment you can deduct depends on how much you drive the car exclusively for business. For example, imagine your monthly lease payment is $400 and you use the vehicle 50 percent of the time for business. You can deduct $200 per month as an expense.

不要太貪婪引起查稅。