PLEASE HELP ASAP ABC Lumber Company has stock with these probabilities of value after five years with an initial investment of $2,000: 55% probability of a $1,800 value, 20% probability of a $2,100 value, and 25% probability of a $2,700 value. What is the expected value of the investment after five years?

A. $2,085

B. $2,000

C. $1,950

D. $1,545

Uppose the book-printing industry is competitive and begins in a long-run equilibrium. then hi-tech printing company invents a new process that sharply reduces the cost of printing books. suppose hi-tech's patent prevents other firms from using the new technology. which of the following statements are true about what happens in the short run? check all that apply. hi-tech's average-total-cost curve shifts downward. hi-tech's profits increase. the price of books remains the same. hi-tech's marginal-cost curve remains the same.

In 2007, americans smoked 19.2 billion packs of cigarettes. they paid an average retail price of $4.50 per pack. a. given that the elasticity of supply is 0.50.5 and the elasticity of demand is negative 0.4−0.4, derive linear demand and supply curves for cigarettes. the demand equation is qdequals=nothingplus+nothing times ×p and the supply equation is qsequals=nothingplus+nothing times ×p.

The beach dude (bd) employs a legion of current and former surfers as salespeople who push its surfing-oriented products to various customers (usually retail outlets). this case describes bd's sales and collection process. each bd salesperson works with a specific group of customers throughout the year. in fact, they often surf with their customers to try out the latest surf gear. the bd salespeople act laid-back, but they work hard for their sales. each sale often involves hours of surfing with their customers while the customers sample all the latest surf wear. because bd makes the best surfing products, the customers look forward to the visits from the bd salespeople. and they often buy a lot of gear. each sale is identified by a unique invoice number and usually involves many different products. customers pay for each sale in full within 30 days, but they can combine payments for multiple sales. bd manages its clothing inventory by item (e. g., xl bd surfer logo t-shirts), identified by product number, but it also classifies the items by clothing line (the lines are differentiated by price points as well as the intended use of the clothing, e. g., surfing products, casual wear, . draw a uml class diagram that describes the beach dudes sales and collection process. b. using microsoft access, implement a relational database from your uml class diagram. identify at least three fields per table. c. describe how you would use the relational database to determine the beach dude’s accounts receivable.