please explain step by step

Assume Maple Corp. has just completed the third year of its existence (year 3). The table below indicates Maple's ending book inventory for each year and the additional IR.C. 5263A costs it was required to include in its ending inventory. Maple immediately expensed these costs for book purposes. In year 2 . Maple sold all of its year 1 endini inumantary, and in year 3 it sold all of its year 2 ending inventory Required: a. What book-tax difference associated with its inventory did Maple report in year 1? Was the difference fovorable or unfavorable? Was it permanent or temporary? b. What book-tax difference associated with its inventory did Maple report in year 2? Was the difference favorable or unfavorable? Was it permanent or temporary? c. What book-tax difference associated with its inventory did Maple report in year 32 Was the difference favorable or unfavorable? Was it permanent or temporary? Complete this question by entering your answers in the tabs below, What book-tax difference associated with its inventory did Maple report in year 1 ? Was the difference favorable or unfavorable? Was if permanent or temporary