The correct answer is choice a, coaching can lead to 100-point gains if the quality of coaching is high.
Current research has been published by the College Board indicating that students using a high quality coaching program can increase their standardized test scores by over 100 points.
Answer: Option (B) is correct.
Explanation:
Correct option: Decreasing marginal product.
Marginal product is the change in the level of output, when there will be an extra input employed in the production of a certain commodity.
So, Marginal Product = 
Where,
Q = Output
I = Input
Marginal product of 1st bag = 500
Marginal product of 2nd bag =
= 300
Marginal product of 3rd bag =
= 100
∴ From the above calculations, we can seen that as we employed one more bag of seeds as a result marginal product goes on diminishing.
Hence, Joan's production function exhibits decreasing marginal product.
Answer:
Decrease her price by $20
Explanation:
Please see attachment for working notes and explanation
A.
Low credit scores usually indicate irresponsible spending behaviors.
Answer:
Correct option is D
When identifying the sources of ineffective performance, managers often <u>attribute poor performance to a lack of ability of individual performers.</u>
Explanation:
The principle explanation for this low capacity of a solitary individual is on the grounds that the activity doled out to them doesn't coordinate with their capacity.