Question $6(3$ points$)$

Assuming that "Cost of Revenue" is the only variable cost, what is Facebook's Gross Margin and Gross Margin Ratio for $2019($round GM ratio to $2$ decimal places$)?$

Blank $1$ should be $$.$

Blank $2$ State as a percentage and round $2$ decimal places. e$.$g$..1234$ will be $12\mathrm{.}34\%$

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Blank # $2$