The given statement " If a major concession has been made on a significant point, it is expected that the return offer will be on the same item or one of similar weight and comparable magnitude " is TRUE.
Step-by-step explanation:
The existence of complementary goals creates easy conditions for this information. Building blocks for trade-offs can be on the expectation of the return offer on an item of similar weight and somewhat comparable magnitude.
If the structure of issue metrics consists of lower or higher priorities on different issue areas among the parties, low-priorities matters can be used as bargaining chips in exchange for gains in high priority areas.