A company has $$20,000$ in Trade payables, $$50,000$ in long term borrowing and $$130,000$ in Share Capital. The before tax cost for the long$-$term borrowing is $8\%.$ The shareholders expect to earn $12\%.$ The company$$s income tax rate is $40\%.$ What is the company$$s after$-$tax cost of borrowing? Question $10$Select one: a$.8\mathrm{.}25\%$ b$.9\mathrm{.}00\%$ c$.10\mathrm{.}00\%$ d$.8\mathrm{.}5\%$