Answer:
37.5%
Explanation:
The percentage change in the price of a jar of peanut butter, using the midpoint method, is:

The percentage change in sales of jelly is 15%.
The cross elasticity of demand between peanut butter and jelly is:

The cross elasticity of demand is 37.5%
Answer: shift to the left
Explanation:
The social return helps in comparing the value of benefits and the costs to achieving the benefits. The social return is the ratio of net present value of the benefits in comparison to the net present value of the investment or the costs to getting the benefits.
In this case, if a small electric automobile manufacturer is able to gain the social return generated by its electric motor, it would decrease the demand for financial capital which simply means that the demand for financial capital will shift to the left. This shift to the left is as a result of the gain in its social return gotten by the electric motor.
When a firm sees average costs start to increase as production increases, this is known as diseconomies of scale.
What Are Diseconomies of Scale?
When a corporation or business expands to the point where the costs per unit rise, this is known as a diseconomy of scale. It happens when a firm's use of economies of scale is no longer viable. According to this theory, when output increases, a firm experiences an increase in costs rather than continuing to see reducing expenses and rising output.
What causes diseconomies scale?
Diseconomies of scale can be the result of several things, including poor management and employee communication, a lack of drive, a lack of coordination, and a loss of concentration.
How do you manage diseconomies of scale?
Businesses may divide themselves into more controllable parts in an effort to alleviate scale-related inequities. A huge multinational, for instance, might be divided up into regional geographic areas, with local managers being rewarded for maximizing efficiency.
Learn more about diseconomies of scale: brainly.com/question/27960803
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In order to effectively locate the information about a company, its projects and initiatives, a Quality Management System has to be implemented. It is a system of organizing everything about the company from the history down to the possible courses of R&D.