Group 2
Lemonade Stand

Calculates cost per cup, income and expenses and profit, Spreadsheet arithmetic (PEMDAS) explained here

Fill Handle (drag lower right corner of the cell), Anchoring (copy a cell, but have pasted cell refer to same cell reference)

Give selling price a name instead of anchoring the cell (and how to remove name)

Formatting 2 rows in 1 cell, 45 degree angle title (top or bottom).