Can you explain how the yellow fields were calculated?

Financial Plan Stock at Retail 01 02 03 04 05 06 (Shown in Millions) Feb Mar Apr May Jun Jul Total BOS/BOM STOCK SALES (-) $5,783.80 RECEIPTS (+) MARKDOWNS (-) EOM/EOS STOCK $15,874.00 $15,515.90 $16,409.30 $17,450.10 $18,912.30 $18,916.10 $5,875.40 $5,521.70 $5,978.40 $6,187.30 $6,413.80 $6,247.60 $7,743.40 $7,438.90 $8,147.80 $6,889.50 $6,987.30 $821.90 $974.60 $876.40 $707.20 $698.40 $1,287.60 $15,515.90 $16,409.30 $17,450.10 $18,912.30 $18,916.10 $18,202.30 $35,760.40 AVG SALES $43,454.50 AVG STOCK $5,366.10 TURNOVER $5,960.00 $17,325.71 2.06 Margin % Cost Complement 57.31% 42.69% 53.13% 46.87% 59.36% 40.64% 56.02% 43.98% 57.77% 42.23% 56.36% 43.64% Stock at Cost (Shown in Millions) BOS/BOM STOCK SALES (-) RECEIPTS (+) MARKDOWNS (-) EOM/EOS STOCK $6,776.61 $7,272.30 $6,668.74 $7,674.55 $2,469.10 $2,753.80 $2,244.02 $2,629.30 $2,667.10 $3,629.33 $3,023.17 $3,583.40 $350.87 $456.80 $356.17 $311.03 $6,623.74 $7,691.03 $7,091.72 $8,317.62 $7,986.66 $8,254.99 $2,612.90 $2,798.98 COGS $17,694.95 ACI $7,490.34 $294.93 $7,988.27 $2,909.44 $3,049.26 $18,861.70 GM$ $561.91 $18,065.45 GM% 50.52% $7,943.36 GMROII $1.42