Why isn't elasticity just measured by the slope of the demand curve? a. the slope of the demand curve changes along the curve. b. price elasticity of demand is the same as the slope of the demand curve. c. the measurement of slope is sensitive to the units chosen for quantity and pricemeasurement of slope is sensitive to the units chosen for quantity and price. d. the slope of the demand curve is negative. e. the slope of the demand curve is often unknown?

Skychefs, inc. prepares in-flight meals for a number of major airlines. one of the company's products is grilled salmon in dill sauce with baby new potatoes and spring vegetables. during the most recent week, the company prepared 4000 of these meals using 960 direct labor hours. the company paid these direct labor workers a total of $19,200 for this work, or $20.00 per hour. according to standard cost card for this meal, it should require 0.25 direct labour-hours at a cost of $19.75 per hour.1. what is the standard labor-hours allowed (sh) to prepare 4,000 meals? 2. what is the standard labor cost allowed (sh x sr) to prepare 4,000 meals? 3. what is the labor spending variance? 4. what is the labor rate variance and the labor efficiency variance?