The Channels tab displays the following details:

Total SUC - Indicates the total supplier unit cost imported from the
SUC.
Total LUC - Indicates the total landed unit cost of the selected product.
It is calculated by "Total SUC + Total Material Inspection Cost + Total
Duty + Freight Cost + Total Organizational Cost + Total Misc. Cost".
Channel - Indicates the delivery channel of the product/variant in the current
LUC.
Note:
If LUC has been created from variant specific SUC, then channel is also specific to variant.
Definition - Indicates the definition of the selected channel, e.g.
retail, internet, etc.
Retail Price - Indicates the retail price of the product.
IMU (Retail) - Indicates the initial markup of the retail price which
is the calculated percentage generated by using the formula "(retail
price - total LUC) / total LUC * 100".
Wholesale Price - Indicates the wholesale price of the product.
GM (Wholesale) - Indicates the gross margin of the wholesale which
is a calculated percentage generated by using the formula of "(Wholesale
Price - total LUC) / Wholesale Price* 100".
Factory Price - Indicates the price of the product from the factory.
IMU (Factory) - Indicates the initial markup of the factory price
which is a calculated percentage generated by using the formula of "(Factory
Price - Total LUC) / Total LUC *100".
Use the tab Actions menu or toolbar to access the following options:
Add Existing - Allows you to add channels to the current LUC from
channels already existing in the system.
Add from Product - Allows you to add channels to the current LUC
from existing channels in the merchandising division of a product.
Mode - Allows you to edit the selected LUC channels.
Remove - Allows you to delete selected channels from the current LUC.