Your client is looking to put banner ads on a website. The ad space costs $$58,350.$ This particular site drives $11,000$ visitors to its site daily. Assuming you have purchas $in$ the full site $($you are the only leaderboard banner ad on the site for that week, over the course of a week, your ad received $23,875$ clicks.

a$.$ What were the number of impressions you received after $3$ days?

b$.$ What was the CPC after one week?

$3$

Your banner ads have done well in driving consumers to your client's site. Now they want to drive purchase. If the CPA for purchase is $$0\mathrm{.}75,$ and your spent $$50,000$ on your campaign, how many sales did your campaign drive?