108. List and briefly describe the components of a financial planning model. 110. Describe the percentage of sales model and its potential pitfalls in the financial planning process. 111. Describe the role of a balancing item or "plug" in financial planning. 112. Why do current or fixed assets often not vary proportionately with sales? 113. Why is it uncommon to expect assets to change proportionately with sales? 114. For a firm with $3 million in total assets, $400,000 in net income, and $150,000 in dividend payments, first calculate the maximum rate of