Gross profit is revenue minus cost of goods sold (COGS). Calculated as (Revenue - COGS) / Revenue x 100. Excludes fixed costs like rent and insurance
Apple leads with $3.0 trillion market cap and $101.12 billion net income. Microsoft ranks second with $2.5 trillion market cap and $81.29 billion income. Alphabet ranks fourth with $1.7 trillion market cap and $85.89 billion income. Amazon ranks third with $1.7 trillion market cap and $524.997 billion revenue. Facebook ranks ninth with $1.02 trillion market cap and $38.45 billion income
Ragnarok Online uses Zeny as primary currency with player-run merchant shops. EverQuest features Platinum currency divided into Gold, Silver, and Copper. World of Warcraft offers Gold currency with crafting professions and Auction House
Caravans are traders traveling across Calradia to buy and sell items. Hundreds of caravans operate daily without player intervention. Caravans stabilize markets by adjusting prices of items
Surplus value is the difference between product sales and production costs. Term "surplus value" coined by William Thompson in 1824. Marx developed and popularized the concept in his Capital volumes
Write-off reduces recognized value of assets or income. In tax, write-off deducts expenses required to produce income. Business expenses must be ordinary and necessary for tax deduction