The firm$$s comparative income statement and balance sheet for the years $2022$ and $2021$ follow.

Required:

$1-$a$.$ Complete both a horizontal and a vertical analysis of comparative income statement for the years $2022$ and $2021.$

$1-$b$.$ Complete both a horizontal and a vertical analysis of comparative balance sheet for the years $2022$ and $2021.$

Analyze:

Based on your analysis, which expense category experienced the greatest percentage change?