In: Accounting
1)The statement is False.
It may possible that none of the fixed cost is avoidable and will be continued to be incurred even if segment is eliminated .since fixed cost is constant and will be incurred (unless avoidable) whether product is produced or not.
2)The statement is True.
In deciding about make or buy , whether excess production capacity is available or not to meet demand is a relevant factor to be considered as same will result in loss of regular sales or any other factor if existing production is interrupted
Thus it is an opportunity cost.
3)The statement is True.
while making decision ,the remaining useful life of old equipment and useful life of new equipment is important to be considered ,since the same is relevant for calculation of cash flows over the useful life of an asset.
4)The statement is True.
In case of replacement decision ,any cash flow from sale of old /new asset should be considered since the same is considered as incremental cashflow .