How does the parent's choice of an accounting method for its investment affect the balances computed in requirement part $($a$)?$

c$.$ Which method of accounting for this subsidiary is the parent actually using for internal reporting purposes?

b$.$ How does the parent's choice of an accounting method for its investment affect the balances computed in requirement part $($a$)?$

c$.$ Which method of accounting for this subsidiary is the parent actually using for internal reporting purposes?