Answer:
The correct answer is:
-$80 (d.)
Step-by-step explanation:
in order to calculate this, we have to determine the total income earned from farming, and the total income that could have been earned if Ziva had done her consultancy service, and calculate the difference. This is shown as follows:
farming business
cost of seeds = $130
income from seeds = $300
Net income from farming = 300 - 130 = $170
Home-organizing service
charge per hour = $25
time spent on field that would have been used for consultancy = 10 hours
total amount that would have been earned for consultancy = 25 × 10 = $250
Difference between income earned for farming and the income that would have been earned for home-organizing serving = 170 - 250 = -$80
Note that the negative sign is there because Ziva indulged in the activity with the lesser income so she effectively made an economic loss instead of a profit (she made a negative profit).