X$-1$ Corp's total assets at the end of last year were $$430,000$ and its EBIT was $$52,500.$ What was its basic earning power $($BEP$)$ ratio?

a$.12\mathrm{.}21\%$

b$.6\mathrm{.}10\%$

c$.9\mathrm{.}16\%$

d$.10\mathrm{.}88\%$

e$.16\mathrm{.}28\%$