Unable to calculate/store correct value to the db

csharp 
namespace Finance101.Services
{
    public class DailyInterestRateService
    {

        private readonly Finance101Context _context;

        public DailyInterestRateService()
        {
        }

        public DailyInterestRateService(Finance101Context context)
        {
            _context = context;
        }

        public async Task<decimal> CalculateDailyInterestRate()
        {
            int daysInYear = 365;
            decimal dailyInterestRate;
            //retrieve current interest rate from the database
            var mortgageForm = await _context.MortgageForm.FirstOrDefaultAsync();
            if (mortgageForm == null)
            {
                throw new Exception("No mortgage form data found in the database");
            }
            else
            {
                dailyInterestRate = (decimal)mortgageForm.CurrentInterestRate * mortgageForm.OutstandingMortgageBalance / (100 * daysInYear);
            }

            return dailyInterestRate;
        }
    }
}

csharp 
namespace Finance101.Services
{
    public class DailyInterestRateService
    {

        private readonly Finance101Context _context;

        public DailyInterestRateService()
        {
        }

        public DailyInterestRateService(Finance101Context context)
        {
            _context = context;
        }

        public async Task<decimal> CalculateDailyInterestRate()
        {
            int daysInYear = 365;
            decimal dailyInterestRate;
            //retrieve current interest rate from the database
            var mortgageForm = await _context.MortgageForm.FirstOrDefaultAsync();
            if (mortgageForm == null)
            {
                throw new Exception("No mortgage form data found in the database");
            }
            else
            {
                dailyInterestRate = (decimal)mortgageForm.CurrentInterestRate * mortgageForm.OutstandingMortgageBalance / (100 * daysInYear);
            }

            return dailyInterestRate;
        }
    }
}