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？