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 answer is "price".
The marketing mix alludes to the arrangement of activities, or strategies, that an organization uses to advance its image or item in the market.There are 4 p's included in the marketing mix, that are; promotion (communicating value), product (creating value), price (capturing value), and place (delivering value).
It is much easier to increase government spending, because it gives a temporary boost, whereas decreasing it would take away the benefits you had before, and might mess up other "things" that relied on that part you just removed to decrease government spending.