if a party fails to make any payment due to the other under the agreement by the due date for payment(duev date),then the defaulting party shall interest on the overdue amount at the rate of 7.5% per annum. such interest shall accrue on a daily basis from the due date until the date of actual payment of the overdue amount,whether before or after judgment. the defaulting party shall pay the interest together with the overdue amount. this clauses shall not apply to payments the defaulting party disputes in good faith.