ϵ 2015 ‘ ȭģ’ , üϴ ȭģ غ ణ ü ģϰ żϰ óϴ Ÿٰ 4 .
̹ 13Ϻ 23ϱ ϵ û 繫 ȭ żӼ, λ翩, ο µ λ 3 о 8 ǽߴ.
ϰ ܺ Ƿ ڰ ó Ȱ ‘ȭ(mystery shopping) ’ ƴ.
û 2014(90.79) 0.44 91.23 ݸ, 1.69 ϶ 89.35 Ÿ.
μδ û ̻ȸ 97.6, Ǽ 96.68, ο 95.27 , ûϸ 92.44, 92.08, 91.09 ̾.
żӼ, ûȣµ, λ ̾ ټ Ÿ ܰ λ簡 ʿ ƴ.
ϵ ڴ “ ȭ밡 ϵ ǥϴ ù ̹ νϰ ģ ϴ ģ ֵ ϰڴ” ߴ.
ó : ȯϺ
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