In Ancient times, constellations were used to create and track the calendar so they knew when to plant crops and harvest them. Constellations were also used for navigation and to help sailors travel across oceans.
Answer: when the research costs more than the potential savings
Explanation:
A written warning. Many businesses "write a person up" for inappropriate behavior which can lead to dismissal if frequent.
<span>Sales during the last four periods are in the order from older to recent as 100, 200, 130, and 300.
Moving average is a successive average calculated from the successive segments.
So the third month moving average MA3 = (200 + 130 + 300) / 3 = 630 / 3 = 210
So the answer is 210.</span>
