$1.$ If CTR increased $15\%$ on a given audience type but CPC remained the same, what happened to it's CPM$?$ a$.$ Increased by $15\%$ b$.$ Increased by $1\mathrm{.}5\%$ c$.$ Increased by $150\%$ d$.$ Decreased by $1\mathrm{.}5\%2.$ The campaign recently doubled its attributed revenue on half of its typical purchase volume, while media spend also doubled in the same time period. What happened to ROAS and Average Order Value $($AOV$)?$ a$.$ ROAS increased $2$x$,$ AOV increased $2$x b$.$ ROAS stayed the same, AOV increased $2$x c$.$ ROAS stayed the same, AOV increased $4$x d$.$ ROAS increased $4$x$,$ AOV increased $2$x $3.$ Research the following: Custom Audiences, Website Custom Audiences, Lookalikes. Which of the following statements is false? a$.$ Website custom audiences and custom audiences can be composed of your existing customers b$.$ Facebook chooses your lookalike audience size based on your seed audience size c$.$ Custom audiences can be composed of people who have engaged with your brand's Facebook page d$.$ Lookalike audiences can be created from Custom audiences CPM is The average cost for $1,000$ impressions. CTR is The percentage of times people saw your ad and performed a click. CPC is The average cost for each click.