What are three main ways to improve a company's economies of scale?

Alocal club is selling christmas trees and deciding how many to stock for the month of december. if demand is normally distributed with a mean of 100 and standard deviation of 20, trees have no salvage value at the end of the month, trees cost $20, and trees sell for $50 what is the service level?

Bill dukes has $100,000 invested in a 2-stock portfolio. $62,500 is invested in stock x and the remainder is invested in stock y. x's beta is 1.50 and y's beta is 0.70. what is the portfolio's beta? do not round your intermediate calculations. round the final answer to 2 decimal places.

Jeanie had always been interested in how individuals and businesses effectively allocate their resources in order to accomplish personal and organizational goals. that’s why she majored in economics and took on an entry-level position at an accounting firm. she is very interested in further advancing her career by looking into a specialization that builds upon her academic background, and her interest in deepening her understanding of how companies adjust their operating results to incorporate the economic impacts of their practices on internal and external stakeholders. which specialization could jeanie follow to get the best of both worlds? jeanie should chose to get the best of both worlds.