For Interest Debt Calculation Service contact info@percentyourinterest.com

Three files are needed (i.e. CSV, Excel)
service payment is 9.99GBP/5MB (multiple files up to 5MB all together; costs more for larger files)

First is Due Payment Sheet; the table is shown as an example

Payment Date	Transaction Description	Payment Amount
2020-05-17	SPA Service	24
2020-05-19	SPA Service	25
2020-05-22	SPA Service	22

Second is Debt Repayment Sheet; the table is shown as an example

Transaction Date	Transaction Description	Debit Amount
2020-05-17	SPA Service	23
2020-05-19	SPA Service	25
2020-05-24	SPA Service	22

Third is Interest Rate Sheet; the table is shown as an example

Date	Interest Rate
2020-05-17	10
2020-05-18	10
...	...

Generated Resulting Sheet (i.e. CSV) will be provided; the table is shown as an example

Date	Payment Date	Transaction Date	Transaction Description	Payment Amount	Debit Amount	Interest	Debt
2020-05-17	2020-05-17	2020-05-17	SPA Service	24	23	0	1
2020-05-18				0	0	0.1	1.1
2020-05-19	2020-05-19	2020-05-19	SPA Service	25	25	0.1	1.2
2020-05-20				0	0	0.1	1.3
2020-05-21				0	0	0.1	1.4
2020-05-22	2020-05-22		SPA Service	22	0	0.1	23.5
2020-05-23				0	0	2.35	25.85
2020-05-24		2020-05-24	SPA Service	0	22	2.35	6.2
2020-05-25				0	0	0.62	6.82
2020-05-26				0	0	0.62	7.44
...	...	...	...	...	...	...	...