Isa Interest Hi, If I Have A Halifax Tax Free Cash ISA With A 5% Interest Rate. How Much Will 3000 Earn In A Year?

Hi, if I have a Halifax tax free cash ISA with a 5% interest rate. How much will 3000 earn in a year? - isa interest

I know it is a mathematical equation, but I'm not sure if ISA interest paid by the day or year.