Dec. $31,$ Dec. $31,$

Year $7$ Year $6$

Selected Statement of Cash Flow Data for the year ending December $31,$ Year $7$

Required

Wilmington Corporation's quick ratio changed by what percentage from Year $6$ to Year $7?$

Select one:

a$.+13\mathrm{.}0\%$

b$.+9\mathrm{.}1\%$

c$.+15\mathrm{.}0\%$

d$.+87\mathrm{.}0\%$