Assume Maple Corporation 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 $263$A 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 $1$ ending inventory, and in year $3$ it sold all of its year $2$ ending inventory.

Year $1$ Year $2$ Year $3$

Ending book inventory $ $2,540,000$ $ $2,907,500$ $ $2,243,500$

Additional $263$A costs $64,00090,75055,250$

Ending tax inventory $ $2,604,000$ $ $2,998,250$ $ $2,298,750$

Required:

What book$$tax difference associated with its inventory did Maple report in year $1?$ Was the difference favorable or unfavorable? Was it permanent or temporary?

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?

What book$$tax difference associated with its inventory did Maple report in year $3?$ Was the difference favorable or unfavorable? Was it permanent or temporary?