Một công ty kinh doanh tổng hợp thống kê doanh số bán hàng của các tháng trong năm qua trong bảng sau Tháng Doanh thu (tỉ đồng) Tháng Doanh thu (tỉ đồng)
1 12.23 7 12.02
2 13.32 8 13.61
3 10.16 9 11.17
4 11.94 10 12.89
5 10.65 11 10.70
6 13.48 12 13.53
Yêu cầu:
a. Dự báo doanh thu bán hàng tháng 1 năm tiếp theo bằng phương pháp bình quân di động 4 tháng và 4 tháng có trọng số (1,2,3,4), phương pháp san bằng số mũ với hệ số san bằng là 0.3
b. Tính MAD của mỗi phương pháp.

Acustomer has come to your department with an urgent question. you promised her that you would collect information about her question and answer it by noon. it will take you at least 20 minutes to gather the information needed to provide an answer. it is now 11: 50 a. m. your supervisor just scheduled a 30-minute meeting to start at noon. this meeting is for all employees in your department. you decide to:

The development price itself is such a huge barrier, it's just a very different business model than boeing's used to. our huge development programs are typically centered around commercial airplanes, military aircraft, where there is a lot of orders. and right now the foundation of the business is two bites a year.

Burke enterprises is considering a machine costing $30 billion that will result in initial after-tax cash savings of $3.7 billion at the end of the first year, and these savings will grow at a rate of 2 percent per year for 11 years. after 11 years, the company can sell the parts for $5 billion. burke has a target debt/equity ratio of 1.2, a beta of 1.79. you estimate that the return on the market is 7.5% and t-bills are currently yielding 2.5%. burke has two issuances of bonds outstanding. the first has 200,000 bonds trading at 98% of par, with coupons of 5%, face of $1000, and maturity of 5 years. the second has 500,000 bonds trading at par, with coupons of 7.5%, face of $1000, and maturity of 12 years. kate, the ceo, usually applies an adjustment factor to the discount rate of +2 for such highly innovative projects. should the company take on the project?