United Contractors Inc. holds a lien on Vista Estates real property. This property can be sold to satisfy the debt if, before th
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Answer: (b) -3.08
Explanation:
The relationship between the demand(q), price per unit product(p) and the disposable income,yd is given by the expression below;
q= 20ln(7yd-2p).
From the expression above, the marginal demand,
∂ q/∂ p is the differential of the equation of relationship between the demand, price and disposable income.
This involves considering the demand,q as the dependent variable and the price per unit product,p as the independent variable and the disposable income,yd is considered constant.
Therefore ,
∂ q/∂ p= (-40)÷(7yd-2p)
By substitution of
yd =$3000÷1000= $3
and p= $4
∂ q/∂ p= (-40)÷((7×$3)-(2×$4))
∂ q/∂ p= -40÷13= 3.08
Please see the attachment for knowledge on how ∂ q/∂ p was obtained.
Current balance in the general ledger cash account is $5,320
Explanation:
General ledger
Opening balance $4,000
(Add)
A note collected by a customer $1,000
interest collected by a customer $40
NSF check from a customer $300.
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$5,340
(Less) bank service charges $20
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Balance in the general ledger
cash account is $5,320
current balance in the ledger cash account =
( $4,000+ $1000+ $40+ $300- $20= $5320)