一题金融数学 英语An invoice for $13600 dated july 18 has terms:3/10 1.25/20 n/30.a.what is the last date of discount period?b.A payment for $8000 on july 39 was made,what will be the balance left?c.what payment will settle the invoice alance

一题金融数学 英语An invoice for $13600 dated july 18 has terms:3/10 1.25/20 n/30.a.what is the last date of discount period?b.A payment for $8000 on july 39 was made,what will be the balance left?c.what payment will settle the invoice alance
一题金融数学 英语
An invoice for $13600 dated july 18 has terms:3/10 1.25/20 n/30.
a.what is the last date of discount period?
b.A payment for $8000 on july 39 was made,what will be the balance left?
c.what payment will settle the invoice alance if paid on august

一题金融数学 英语An invoice for $13600 dated july 18 has terms:3/10 1.25/20 n/30.a.what is the last date of discount period?b.A payment for $8000 on july 39 was made,what will be the balance left?c.what payment will settle the invoice alance
a.what is the last date of discount period?
答案：August 6
b.A payment for $8000 on july 39 was made,what will be the balance left?
July 39 写错了,检查一下再追问.
c.what payment will settle the invoice balance if paid on august
答案：$13600

a. july 18+20=aug 8
b.$5600
c.=13600*(1-1.25%)=$13430

The discounted period being:
Payment made within 10days from July 18 enjoys a 3% discount; payment made from the 11th day to the 20th day from July 18 enjoys a 1.25% discoung, while payment made a...

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The discounted period being:
Payment made within 10days from July 18 enjoys a 3% discount; payment made from the 11th day to the 20th day from July 18 enjoys a 1.25% discoung, while payment made after the 21st day from July 18 enjoys no discount. The last day of payment shall be the 30th day from July 18.

Therefore:
a. The last date of discounted period being: July 18 + 20days = Aug. 7
b. suppose the date was July 29, which falls in the second discount term, then the balance will be: 13600 - 8000 - (8000 * 1.25%) = 5500; if the date was July 19, it will be: 13600 - 8000 - (8000 * 3%) = 5360
c. if the first payment is made on July 29, the balance will be 5500. If this balance is settled on Aug. 7, the amount will be: 5500 - (5500*1.25%) = 5431.25; if the first payment is made on July 19, the balance will be 5360. If this balance is settled on Aug. 7, the amount will be: 5360 - (5360*1.25%) = 5293.

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