Troll corporation sells dolls for $10.00 each in a market that is perfectly competitive. increasing the number
of workers from 100 to 101 would cause output to rise from 500 to 550 dolls per day. the marginal revenue
product for the 101st worker is:
a. $10.00.
b. $500.
c. $5,000.
d. $1,010.

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?