(d) The improper integral

3. For the following problems you do not need to simplify your final answers. (a) Find when

(c) Sales of a product are modeled by a function that gives the number of units sold days after the start of the month. If on the 10th day of the month sales are dropping (going down) increasingly rapidly, what can we say about the first and second derivatives of the function ?

Short Answer: You should submit your answers with the multiple choice on Canvas below. If you have additional work you would like to show you may submit it alongside your work on the free response questions on Gradescope.

(b) Five x-values are labeled on the $x$-axis of the graph of $f(x)$ below. Order the values of from smallest to largest. You do not need to calculate any of the derivative values.     Smallest: : Largest

.Inventory Valuation & Analysis:Given the following inventory transactions, compute FIFO, LIFO, and Average Cost for ending inventory and cost of goods sold (COGS) under the periodic inventory system: Beginning inventory: 120 units @ $11Purchases: 180 units @ $13100 units @ $14Sales: 120 units on March 590 units on June 1540 units on October 10Complete the following table for periodic inventory calculations:Inventory MethodEnding Inventory ($)COGS ($)FIFOLIFOAverage CostNow, please explain how the calculations would differ under the perpetual inventory system and describe when a company might prefer one method over the other.

12. Why do businesses use an allowance for doubtful accounts instead of writing off receivables when they become uncollectible? 

6. Which of the following would appear as an adjustment to the book balance in a bank reconciliation? 

13. Which inventory costing method results in the lowest reported net income when prices are rising? 

14. If a company mistakenly counts its ending inventory as higher than its actual amount, what is the effect on net income?