What is the effective annual rate$($EAR$)$ of a mortgage that is advertised at $7\mathrm{.}257\mathrm{.}25\%($APR$)$ over the next twenty years and paid with quarterlyquarterly $$payments$?$

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Part $1$

What is the effective annual rate$($EAR$)$ of the mortgage at $7\mathrm{.}257\mathrm{.}25\%$ APR with quarterlyquarterly $$payments$?$

enter your response here$\%($Round to two decimal$$ places.$)$