194. A certain state levies a 4 percent tax on the nightly rates of hotel rooms. A certain hotel in this state also charges a $2.00 nightly fee per room, which is not subject to tax. If the total charge for a room for one night was $74.80, what was the nightly rate of the room?
(A) $68.00 (B) $69.00 (C) $70.00 (D) $71.00 (E) $72.00 C 题目啥意思呢？ | 
