Answer:
The cost per month is increasing at a rate $365.
Explanation:
Differentiation Formula
Given that,
A manufacturer of handcrafted wine racks has determined that the cost to produce x units per month is given by
.
Again given that,
the rate of changing production is 13 unit per month
i.e 
To find the cost per month, we need to find out the value
when production is changing at the rate 13 units per month and the production is 70 units.

Differentiating with respect to t




Plugging 


[ plugging x=70]
=364
[ The unit of c is not given. Assume that the unit of c is dollar.]
The cost per month is increasing at a rate $365.
debits Depreciation expense, while the other debits Manufacturing overhead
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Answer: Helena will most likely end up spending some more money on everything else after receiving the voucher.
Explanation:
The budget constraint is used to shows the combinations of two goods which can be afforded by a consumer. A normal good is a good or product that when the income of the person rises,the demand for the product will also increase.
Based on the above information on the question, the correct answer is "Helena will most likely end up spending some more money on everything else after receiving the voucher".
This is because the voucher she was given can be spent only on educational expenses and her budget constraints comprises of educational expenses and everything else which is made up of normal goods. This means she'll still needs to get the normal goods later.
Answer:
a. Open innovation.
Explanation:
Since Butterfly Technologies source the technology from an external party and it is not a radical innovation (meaning it does not affect the core benefit brought by Butterfly Technologies' product), it is an open innovation.
External knowledge and know-how are used to improve the battery life and speed of their devices.