From Dev.to
Your $230 payment: $65 of it is interest in month 1, $0.32 in month 22 — where each payment actually goes
Same debt as the earlier examples: $4,100 on a card at 18.9% APR, paying $230 a month, no new charges. Paid on time, that takes 22 months and $751 of interest, $4,851 total. Those are the totals. This...