Final answer:
To add a new column named '3% Increase' projecting sales with a 3% increment on the Projected Sales (Next Year) worksheet, you should insert a column and use the formula =Sales * 1.03.
Step-by-step explanation:
To add a new column named '3% Increase' projecting sales with a 3% increment on the Projected Sales (Next Year) worksheet, the correct action to take is option b) 'Insert a column and use the formula =Sales * 1.03.'