I attach your PO of 00414721, and price list for WP.
We have update new price start Nov’2013.
Please revise unit price in your PO. sheet as below.
ITEM NEWPRICE
GWN-12A ¥ 635.00
Regarding as Invoice No. 211401079 PO.#00414079 GWN-12A = 700 Pcs.
Send the credit note by Marisa san this next time.