How did ida tarbell help end the standard oil monopoly?

Compute the cost of not taking the following cash discounts. (use a 360-day year. do not round intermediate calculations. input your final answers as a percent rounded to 2 decimal places.)

States that if there is no specific employment contract saying otherwise, the employer or employee may end an employment relationship at any time, regardless of cause. rule of fair treatment due-process policy rule of law employment flexibility employment at will

How has apple been able to sustain its competitive advantage in the smartphone industry? a. by reducing its network effects b. by targeting its new products and services toward laggards c. by driving the price for the end user to zero d. by regularly introducing incremental improvements in its products