4. Engaging your audience in meaningful activities can be the most difficult part of a presentation. It can also, however, be the most rewarding. When you are planning for
interactivity with your audience, two factors should be taken into account, the size of the
audience and the presentation space. We have already looked at a smart room in question 3 of
the analyze portion of this exercise. Now, for this question, imagine that you are giving a
presentation on your company's customer relations philosophy in this room. Describe an
exercise that would be appropriate for this setting and context.

Rolston music company is considering the sale of a new sound board used in recording studios. the new board would sell for $27,200, and the company expects to sell 1,570 per year. the company currently sells 2,070 units of its existing model per year. if the new model is introduced, sales of the existing model will fall to 1,890 units per year. the old board retails for $23,100. variable costs are 57 percent of sales, depreciation on the equipment to produce the new board will be $1,520,000 per year, and fixed costs are $1,420,000 per year.if the tax rate is 35 percent, what is the annual ocf for the project?