Which investor is making a common error? A) an employee of a popular hardware store who invests only in that company’s stock
B) an employee of a popular software company who invests in many similar companies
C) someone who sells the slumping stock while they are still able to make a profit based on what they paid
D) someone who buys stock in both domestic and more risky international companies

Owns a machine that can produce two specialized products. production time for product tlx is two units per hour and for product mtv is four units per hour. the machine’s capacity is 2,100 hours per year. both products are sold to a single customer who has agreed to buy all of the company’s output up to a maximum of 3,570 units of product tlx and 1,610 units of product mtv. selling prices and variable costs per unit to produce the products follow. product tlx product mtv selling price per unit $ 11.50 $ 6.90 variable costs per unit 3.45 4.14 determine the company's most profitable sales mix and the contribution margin that results from that sales mix.