Birch Corporation, a calendar$-$year corporation, was formed three years ago by its sole shareholder, James, who has operated it as an S corporation since its inception. Last year, James made a direct loan to Birch Corporation in the amount of $$5,950.$ Birch Corporation has paid the interest on the loan but has not yet paid any principal. $($Assume the loan qualifies as debt for tax purposes.$)$ For the year, Birch experienced a $$26,100$ business loss.

What amount of the loss clears the tax$-$basis limitation$,$ and what is James's basis in his Birch Corporation stock and Birch Corporation debt in each of the following alternative scenarios?

Note: Leave no answer blank. Enter zero if applicable.

b$.$ At the beginning of the year, James's basis in his Birch Corporation stock was $$9,900$ and his basis in his Birch Corporation debt was $$5,950.$

c$.$ At the beginning of the year, James's basis in his Birch Corporation stock was $$0$ and his basis in his Birch Corporation debt was $$5,950.$