How to calculate your budget
By leveraging your company's historical metrics, calculate how much paid media spend is required to hit your revenue goals.
These calculations DO NOT take into consideration the many factors related to running a profiecient demand generation inititive, such as ad frequency required to acheive results, duration of time running paid media to acheive results, nor considerations around different channels and content types.
One cannot simply "stick $1 in paid media" and expect to get $5 in return. If life or marketing were that easy we would all be rich.
Based on the information provided, here are your primary metrics.
Here are the primary considerations when forming your budget.