Answer:
d)The opportunity cost of 1 lb. of coffee is 4 lbs. of bananas for Oscar.
Explanation:
a)The opportunity cost of 1 lb. of bananas is 4 lbs. of coffee for Oscar.
In order to produce 64 pounds of banana, Oscar has to give up producing 16 pounds of coffee, his opportunity cost is:

The statement is false.
b)Oscar has absolute advantage in the production of coffee.
Julia has a higher production capacity for coffee (20 pounds to 16 pounds) and therefore has the absolute advantage.
The statement is false.
c)Julia has comparative advantage in the production of bananas.
Julia has a higher opportunity cost for producing a pound of bananas (0.5 pounds of coffee to 0.25 pounds of coffee) and therefore does not have the comparative advantage.
The statement is false.
d)The opportunity cost of 1 lb. of coffee is 4 lbs. of bananas for Oscar.
In order to produce 16 pounds of coffee, Oscar has to give up producing 64 pounds of banana, his opportunity cost is:

The statement is true.
Answer:
Operating Income $75,000 $115,000
Explanation:
The computation of the operating income reflected is shown below:
Units 23,000 $31,000
Contribution Margin per Unit $5 $5
Contribution Margin (Units × Per Unit) $115,000 $155,000
Less : Fixed Cost -$40,000 -$40,000
Operating Income $75,000 $115,000
The contribution margin per unit is come from
= Selling price per unit - variable cost per unit
= $9 - $4
= $5
Answer:
The Journal entries are as follows:
(a) On February 1,
Allowance for doubtful accounts Dr. $8,800
To Account receivable-Oakley Co $1,900
To Account receivable-Brookes Co $6,900
(To record write off)
(b) On June 5,
(i)
Account receivable-Oakley Co. Dr. $1,900
To Allowance for doubtful accounts $1,900
(To record amount reinstated)
(ii)
Cash A/c Dr. $1,900
To Account receivable-Oakley CO $1,900
(To record cash received)