25. The Necklace Start Up (a) A necklace start-up makes profit, *, in dollars according to the following function of the number of necklaces, q, that they sell: = number of necklaces for this firm to sell, to make the most profit? 360q 3q2. What is the optimal Average Life Expectancy at Birth (Years) (b) Suppose the same firm realizes they must pay $ 120 dollars to open a PO box plus 12 dollars per necklace to ship necklaces to their customers; how many necklaces should they now decide to sell (assuming they cannot change their prices)? Healthcare Spending per capita vs. Average Life Expectancy Among OECD Countries S. Korea Japan Mexico Hungary 79 1000 2000 UK 3000 4000 ----- Linear Trendline 0005 6000 7000 USA Total Expenditure on Health per capita in USD 26. Write an equation for the linear trend line depicted in the graph above. Presume the line hits the following two points: ($3000, 80 years) and ($1000, 76 years). 27. Interpret and explain the significance of the USA point on the graph above. What does it mean when compared to the other points and the trend line?