3.66 A loan of $1000 is due in one year with interest at 141%. The debtor pays $200 in 3 and $400 in 7 months. Find the balance due in one year by (a) the Merchant's Rule, () tb in montlis. Pin United States Rule. Ans. (a) $497.37; (b) $503.54 3.67 A debt of $5000 is due in six months with interest at 10%. Partial payments of $3000 and $1000 are made in 2 and 4 months, respectively. What is the balance due on the final settlement date (a) by the Merchant's Rule; (b) by the United States Rule? Ans. (a) $1133.33; (6) $1136.68 .68 A loan of $1400 is due in one year with simple interest at 12%. Partial payments of $400 in; months, $30 in 6 months, and $600 in 8 months are made. Find the balance due in one yea using the United States Rule. Ans. $478.07