public static Dictionary <int, RateList> CreateDictionary()
{
var Rate = new RateList();
var Dictionary = new Dictionary <int, RateList>();
Dictionary.Add(0, new RateList {
StartRange = 0, EndRange = 540000, rate = 0.05m,
});
Dictionary.Add(1, new RateList {
StartRange = 540000, EndRange = 1210000, rate = 0.12m
});
Dictionary.Add(2, new RateList {
StartRange = 1210000, EndRange = 2420000, rate = 0.2m
});
Dictionary.Add(3, new RateList {
StartRange = 2420000, EndRange = 4530000, rate = 0.3m
});
Dictionary.Add(4, new RateList {
StartRange = 4530000, EndRange = 10310000, rate = 0.4m
});
Dictionary.Add(5, new RateList {
StartRange = 10310000, EndRange = 2147483647, rate = 0.5m
});
return(Dictionary);
}
public static decimal CaculateRate(decimal money)
{
var list = RateList.CreateDictionary();
var tmp = list.Where(x => x.Value.StartRange < money);
int key = -1;
foreach (var i in tmp)
{
key++;
}
decimal sum = 0;
if (key != 0)
{
for (var i = key; i > 0; i--)
{
sum += (list[i - 1].EndRange - list[i - 1].StartRange) * list[i - 1].rate;
}
}
sum += (money - list[key].StartRange) * list[key].rate;
return(sum);
}
