195.A retail business wants to book the full course on the sharing economy for a group of 40
attendees. Considering the 20% discount for the full course, how much would it cost for the
business to book the entire course?
(A) $14,000.
(B) $14,500.
(C) $15,000.
(D) $15,500.
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195. A retail busine...
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一家零售企業希望為 40 名參與者預訂共...
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