System is calculating incorrect interest if Working days are set up at the organization level

Steps To Reproduce:

1. Create a working day in the System -> organization.
2. Set up the Saturday and Sunday as non-working days
3. Create a loan with Principal = 12000, Number of repayments = 12, rate of interest = 12%
4. Keep the disbursement date = 10th May 2021
5. Keep the first repayment date = 14th June 2021

Since the 14th August is falling on Saturday, August month repayment will be on the 16th of August 

The September month repayments will display incorrect interest amount