On the first day of school, the school store had 100 pencils for sale at $1 each. At the end of the week, there were 90 pencils left. The second week, the price of pencils dropped to $.75 each. At the end of the week, there were 75 pencils left. The store dropped the price $.25 each week, and at the end of the fourth week, there were no pencils left. Which price was the market clearing price?
A) $0.25
B) $0.50
C) $0.75
D) $1.00

Last year, western corporation had sales of $5 million, cost of goods sold of $3 million, operating expenses of $175,000 and depreciation of $125,000. the firm received $40,000 in dividend income and paid $200,000 in interest on loans. also, western sold stock during the year, receiving a $40,000 gain on stock owned 6 years, but losing $60,000 on stock owned 4 years. what is the firm's tax liability?

Karen is working on classifying all her company’s products in terms of whether they have strong or weak market share and whether this share is in a slow or growing market. what type of strategic framework is she using?

Suppose there are three types of consumers who attend concerts at your university’s performing arts center: students, staff, and faculty. each of these groups has a different willingness to pay for tickets; within each group, willingness to pay is identical. there is a fixed cost of $1,000 to put on a concert, but there are essentially no variable costs. for each concert: i. there are 140 students willing to pay $20. (ii) there are 200 staff members willing to pay $35. (iii) there are 100 faculty members willing to pay $50. a) if the performing arts center can charge only one price, what price should it charge? what are profits at this price? b) if the performing arts center can price discriminate and charge two prices, one for students and another for faculty/staff, what are its profits? c) if the performing arts center can perfectly price discriminate and charge students, staff, and faculty three separate prices, what are its profits?