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?

Inventory by three methods; cost of goods sold the units of an item available for sale during the year were as follows: jan. 1 inventory 20 units at $1,800 may 15 purchase 31 units at $1,950 aug. 7 purchase 13 units at $2,040 nov. 20 purchase 16 units at $2,100 there are 18 units of the item in the physical inventory at december 31. determine the cost of ending inventory and the cost of goods sold by three methods, presenting your answers in the following form: round your final answers to the nearest dollar. cost inventory method ending inventory cost of goods sold a. first-in, first-out method $ $ b. last-in, first-out method $ $ c. weighted average cost method $ $