georate

type GeoRate struct {
	Country string `json:"country"`
	State   string `json:"state"`

	// Only take a city OR postal code, not both
	City string `json:"city"`
	// Comma separates postal codes
	PostalCodes string         `json:"postalCode"`
	Above       currency.Cents `json:"above"`
	Below       currency.Cents `json:"below"`

	// Support both percent and currency
	// Use store's currency in implementation
	Percent float64        `json:"percent"`
	Cost    currency.Cents `json:"cost"`
}