Apply the Currency format to all values that represent money.

Format the labels in cells $A1$:$A2$ as $18$ point.

Select cells A$1$:F$2$ and click the Alignment launcher $[$Home tab, Alignment group$].$ Center the labels across the selection.

Merge and center the label in cell C$25$ over cells C$25$:E$25$ and format it at $16$ points.