(a3) Calculate gross profit rate under each of the following methods. (1) LIFO. (2) FIFO. (3) Average cost. (Round answers to 1 decimal place, e8.51.2%) LIFO FIFO AVERAGE-COST Gross profit rate % 96 List of Accounts Save for Later Attempts: 0 of 1 used Submit Answer arch KSPR21) Question 5 of 5