You have two options for how to spend the afternoon. you can either go see a movie with your roommate or work as a tutor for the math department. from experience, you know that going to see a movie gives you $20 worth of enjoyment, and with your student discount, a movie ticket only costs $12. if you spend the afternoon working as a math tutor, you will get paid $45. on a typical day, you wouldn't be willing to spend the afternoon working as a math tutor for less than $35. what is your economic surplus from working as a math tutor instead of going to the movies?

Abbington company has a manufacturing facility in brooklyn that manufactures robotic equipment for the auto industry. for year 1, abbingtonabbington collected the following information from its main production line: actual quantity purchased-200 units, actual quantity used-110 units, units standard quantity-100 units, actual price paid-$8 per unit, standard price-$10 per unit. atlantic isolates price variances at the time of purchase. what is the materials price variance for year 1? 1. $400 favorable. 2. $400 unfavorable. 3. $220 favorable. 4. $220 unfavorable.