Packets arrive at the VPLS SAP on PE1 with DSCP marking of af11 and Dot1p of 2. According to the QoS policies applied at routers PE1, P, and PE2, what is the DSCP value of packets egressing router PE2? (All the SDPs are MPLS-encapsulated, and all interfaces are using their default trust states) . 
Definitions:
Cost Conditions
The specific factors affecting the cost of production or service delivery, including material costs, labor expenses, and overheads.
Output
The total amount of goods or services produced by a company, industry, or economy.
Increasing Cost Industry
An industry in which production costs rise as output increases, often due to factors like limited resources or higher prices for inputs.
Constant Cost Industry
An industry in which the costs of production do not change as the industry's output changes, maintaining the same unit cost for production regardless of scale.
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