Work In Process Inventory 66,000
Manufacturing Overhead 9,000
Raw Materials Inventory 75,000
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Answer:
the principal amount at a rate of 4% is 2000
principal amount at a rate of 3.5% is 4000-2000 =2000
Explanation:
We have given total amount borrowed = $4000
Let x amount is borrowed at a rate of 4%
So $4000-x is borrowed at rate of 3.5%
Total interest = $150
We know that simple interest 
So 

0.5 x=1000
x = 2000
So the principal amount at a rate of 4% is 2000
And principal amount at a rate of 3.5% is 4000-2000 =2000
The profit will Bluetooth speaker sales bring this firm when it sells at the profit-maximizing level of output is $975
Profit-maximizing level
In economics, profit maximizing level of output means where its marginal cost (MC) just equals the product price and where marginal cost is increasing; that is, the MC curve is sloping upward.
Given
A firm that produces Bluetooth speakers collected the following data to determine their possible profits.
Here we need to find the profit will Bluetooth speaker sales bring this firm when it sells at the profit-maximizing level of output.
In order to find the profit-maximizing level of output for the Bluetooth, we have to subtract the maximum price by the minimum price.
For example let us consider $1000 be the maximum price of the Bluetooth and $25 is minimum price of the Bluetooth,
Then the profit-maximizing level of output is calculated as,
=> 1000 - 25
=> 975.
To know more about profit-maximizing level here.
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