You can import price matrix information for multiple SKUs within the same file. The file is a plain text (.txt) file and must be a semi-colon (;) delimited file.
Each line in the import file must be in this format:
SKU;Charge;Cost;Contract SKU;Zone;
Note
When you import a price matrix, it overwrites the existing data for each included SKU. Therefore, you should export the existing data, update the exported file, and then import the file.
To import a price matrix:
Select Applications > Product Management > Product Catalog. This opens the Product Catalog.
Click the Price Matrix Import button at the top of the catalog.
This displays the list of price matrix files that have been imported between the selected Process Dates. 
File Name
Name of the file that was imported.
Process Date
Date the file was added to the system.
Total Records
Total number of price matrix rows in the file.
Errors
Number of errors encountered within the file.
Duplicates
Number of duplicate records within the file.
Click Import Price Matrix. This displays the Price Matrix File Upload window.
Click the ellipsis button to locate the file on your machine.
If you want the window to close after the upload, select the Close this dialog when upload completes check box.
Click Upload to import the file.
When the upload is done, a message is displayed instructing you to see the Price Matrix File Status for details.
Click OK.
If you did not select the Close this dialog check box, click Done to close the Price Matrix File Upload window.
On the Price Matrix Import Files window, click Refresh. The file you uploaded is added to the list.
Right-click the file and select View Log File.