Giving reason, explain

Giving reason, explain how should the following be treated in estimating Gross Domestic Product at Market Price?
(i) Fees to a mechanic paid by a firm.
(ii) Interest paid by an individual on a car loan taken from a bank.
(iii) Expenditure on purchasing a car for use by a firm.

(i) It is included in the $GDP_{MP}$, as it is a part of government fjnal.consumption expenditure.
(ii) It is not included in the estimation of $GDP_{MP}$, because loans are not used for production purpose.
(iii) It is included in the estimation of $GDP_{MP}$ because it is a part of final expenditure by a firm.