I need help with the below problem I highted the area of which I need help with

Requirements 1. Prepare a partial income statement through gross profit under the average, FIFO, and LIFO methods. Round average cost per unit to four decimal places and all other amounts to the nearest whole dollar. 2. Which inventory method would you use to minimize income tax? Explain why this method causes income tax to be the lowest. Requirement 1. Prepare a partial income statement through gross profit under the average, FIFO, and LIFO methods. Round average cost per unit to four decimal places and all other amounts to the nearest whole dollar