The Advertising decision screen allows you to set the Advertising budget for your product for the coming year.
There are three media types (channels) that you may choose to advertise in.
Each market segment has different media viewing habits, e.g. for some segments TV is more effective for others it's the Internet. So ensure that you read the Market Research reports and the Market Overview chapter in the player's manual before deciding on your advertising budgets.
The pie graph shows you how your total advertising budget for this product that has been allocated to each of the three media types.