The internal revenue code is the most authoritative source of income tax law. in trying to resolve an income tax question, however, a tax researcher also consults administrative rulings (income tax regulations, revenue rulings, etc.) and court decisions. why wouldn't the tax researcher just consult the code since it is the highest authority? similarly, why is there a need for administrative rulings and court decisions?

Your assessment tool contains rich data about child progress in language and literacy but no details to explain the differences between children. you decide to: a. replace the tool with another b. analyze the data using factors such as language, ability, and participation rates c. review your anecdotal notations regarding language and literacy development d. talk with families about what they are seeing at home

The market for corn in country a is highly competitive. at the current market price of $5/bushel there is a shortage of 100,000 bushels of corn in this country. media reports claim that the price of corn will rise drastically in the near future. according to these reports, the neighboring country b had witnessed a similar situation recently. at the same price, the shortage in country b was also 100,000 bushels and eventually the equilibrium price in b went up to $10/bushel. both countries are known to have equal number of corn producers and the market supply of corn is identical at all prices. this, combined with the fact that consumers in the two countries also have similar tastes and preferences, led the media to conclude that the price of corn in country a would soon be as high as $10/bushel. the new equilibrium price turns out to be below $10/bushel, what inferences can be drawn?

Mcdonald's fast-food restaurants have a well-designed training program for all new employees. each new employee is supposed to learn how to perform standardized tasks required to maintain mcdonald's service quality. due to labor shortages in some areas, new employees begin work as soon as they are hired and do not receive any off-the-job training. this nonconformity to standards creates