Energy Expenditure can be expressed as a gross or net term. The total amount of energy expended for a specific activity including the resting energy expenditure. Gross energy expenditure is typically used for between person comparisons. Hope it helps
Answer:
correct option is A. $450
Explanation:
we know that half the cost of the business meeting or the business meeting lunch or the dinner that is deductible even
and if the meal are associate with the active businessman or the sole proprietor then half the amount that is here $900 tickets to the opera with client for meeting is deducted
so that is deducted = 
deducted amount = $450
so correct option is A. $450
I would say I spend about $20