Your cell phone plan charges a base charge each month plus a charge per daytime minute of usage. In$$ December, you used $520$ daytime$$ minutes, and your bill was $$$$103\mathrm{.}95.$ In$$ January, you only used $383$ daytime$$ minutes, and your bill was $$$$83\mathrm{.}40.$ In$$ February, your bill was $$$$88\mathrm{.}50.$ How many daytime minutes did you use in$$ February?