英文grammar

According to the invoices in dispute, we will reduce( our prices)
by 15% as a discount.
Please see the details below.
Mistakes:
1) reduce "______" by 15%? <--------Fill it the blank by yourself then
2) a discount <------------- " discount" is a countable noun.
3) Please see the details below. No " as"
4) " dispute" <-------- noun or verb

886

2009-01-21 02:53:15 補充：
Note: reduce WHAT<--- by 15%

According to the dispute invoices, we will reduce 15% as discount, if you want to see the details please see as below.

According to the dispute invoices, we will reduce 15% as a discount. Please see below for details.