Ta có phương trình cung – cầu của một quốc gia như sau: QSX = 20 + 5PX; QDX = 80 – 10PX
Trong đó QDX, QSX là số lượng sản phẩm X tính bằng 1 đơn vị, PX là giá cả sản phẩm tính bằng 1000 USD. Giả thiết quốc gia này là 1 nước nhỏ và giá thế giới là 6000 USD.
1. Thị trường sản phẩm của quốc gia khi mở cửa mậu dịch tự do là:
a) PX = $6000 ; SX = 50X ; TD = 20X ; XK = 30X
b) PX = $4000 ; SX = 40X ; TD = 40X ; XK = 0X
c) PX = $6000 ; SX = 100X; TD = 20X ; XK = 80X
d) PX = $4000 ; SX = 50X ; TD = 20X ; XK = 30X

Ahospital purchases a $500,000 magnetic resonance imaging (mri) machine that has a useful life of 9 years. the salvage value at the end of 9 years is $77,000. (a) write a linear equation that describes the value y (in dollars) of the mri machine in terms of the time t (in years), 0 ≤ t ≤ 9. (b) find the value, in dollars, of the machine after 6 years. $ (c) find the time, in years, when the value of the equipment will be $140,000. (round your answer to two decimal places.) yr

Anheuser-busch inbev is considering you for an entry-level brand management position. you have been asked to prepare an analysis of the u.s. craft beer industry as part of the selection process. prepare a 3-5 page report that includes a description of the industry’s strategically relevant macro-environmental components, evaluates competition in the industry, assesses drivers of change and industry dynamics, and lists industry key success factors. the company’s management also asks that you propose the basic elements of a strategic action plan that will allow the company to improve its competitive position in the market for craft beer. you must provide a heading in your report for each of the required elements of the assignment.

jackie's snacks sells fudge, caramels, and popcorn. it sold 12,000 units last year. popcorn outsold fudge by a margin of 2 to 1. sales of caramels were the same as sales of popcorn. fixed costs for jackie's snacks are $14,000. additional information follows: product unit sales prices unit variable cost fudge $5.00 $4.00 caramels $8.00 $5.00 popcorn $6.00 $4.50 the breakeven sales volume in units for jackie's snacks is