explanation on how to solve the following chart for the LIFO perpetual inventory

LFO perpetual inventory The beginning inventory at Dunne Co. and data on purchases and sales for a three-month period are as follows: \begin{tabular}{crrr} Date Transaction & \begin{tabular}{r} Number \\ of Units \end{tabular} & \multicolumn{1}{l}{ Per Unit } & \multicolumn{1}{l}{ Total } \\ \hline Apr. 3 Inventory & 42 & $450 & $18,900 \\ 8 Purchase & 84 & 540 & 45,360 \\ 11 Sale & 56 & 1,500 & 84,000 \\ 30 Sale & 35 & 1,500 & 52,500 \\ May 8 Purchase & 70 & 600 & 42,000 \\ 10 Sale & 42 & 1,500 & 63,000 \\ 19 Sale & 21 & 1,500 & 31,500 \\ 28 Purchase & 70 & 660 & 46,200 \\ June 5 Sale & 42 & 1,575 & 66,150 \\ 16 Sale & 56 & 1,575 & 88,200 \\ 21 Purchase & 126 & 720 & 90,720 \\ 28 Sale & 63 & 1,575 & 99,225 \end{tabular} Required: different costs, enter the units with the HIGHER unit cost first in the Cost of Goods Sold Unit Cost column and LoWER unit cost first in the Inventory Unit Cost column. Dunne Co. Schedule of Cost of Goods Sold LIFO Method 3. Determine the ending inventory cost on June 30