I need these ASAP!! Just the answers!!

In incremental analysis, 1) costs are not relevant if they change between alternatives. 2) all costs are relevant if they change between alternatives. 3) only fixed costs are relevant. 4) only variable costs are relevant. Question 2 (3 points) Listen Which of the following is an irrelevant cost? 1) An avoidable cost ) O2) An incremental cost 3) A sunk cost 4) An opportunity cost Question 3 (3 points) Leten Which one of the following does not affect a make-or-buy decision? 1) Variable manufacturing costs 2) Opportunity costs 3) Incremental revenue 3 4) Direct labor Question 4 (3 points) Listen A manufacturing process requires small amounts of glue. The glue used in the production process is classified as a(n) 1) period cost O2) indirect material. 3) direct material. 4) miscellaneous expense. Question 5 (3 points) Listen Which one of the following is not considered as material costs? 1) Partially completed motor engines for a motorcycle plant 2) Bolts used in manufacturing the compressor of an engine 3) Rivets for the wings of a new commercial jet aircraft 4) Lumber used to build tables