def get_rate(self, zipcode, city=None, state=None, multiple_rates=False):
data = self.make_request_data(zipcode, city, state)<EOL>r = requests.get(self.url, params=data)<EOL>resp = r.json()<EOL>return self.process_response(resp, multiple_rates)<EOL>
Finds sales tax for given info.
Returns Decimal of the tax rate, e.g. 8.750.