Please show how to work problem #4 please. :) Thank you

Chapter 7 Homework Porta LIFO Latin Pro Hammond Company adopted IF ventras formed on January 1, 2011. Sinot ther, the company has tad the following pantases and salett is signatory in Year Units Purchased Cost per Unit Units Sold Price per Unit 2017 10.000 54 3.000 512 12,000 15,000 7 14.000 2018 00065 ET 91 de December 2016, the conditiet realised that becamente of an unespecies increase in demand, the company at sove 12.00 unika da haf purchased only 19,000 units buiting the power 20. tact uit has been said for 137, and each unit gustatud had covet 39. The e come to Required 1. mode to ordurchases in 2000, how much to toddation profil room 7.900 2. Pigare the coropriate lot doses for 2020 2020 27.000 2019 10.00 Investory a to LUFO valuation allowance 500 11.000 2001 30.000 Chapter 7 Homework - Part 2 eBook Feedback 2. Prepare the appropriate annual report disclosures for 2020. 2020 27.000 Inventory at FIFO 2019 42.000 12.000 14.000 Less: LIFO valuation allowance Inventory at LIFO 13.000 30.000 Feedback 3. If Hammond purchases an additional 8,000 units in December 2020, how much income tax will the company save? 2,100 Feedback 4. If Hammond purchases the additional 7,000 units, how much income tax has the company saved over the 4-year period by using LIFO instead of the FIFO cost flow assumption? 7,200 x