I am working on a project which is an android application. For my project proposal, I need to calculate what is my server requirements to overcome the traffic I explained below? and if possible, I want to learn what is approximate cost of such server?

I am giving the maximum expected values for calculation :

-Database will be in mysql (Average service time of DB is 100-110ms in my computer[i5,4GB Ram])

-A request will transfer 150Kb data for each request on average.

-Total user count : 1m

-Active user count : 50k

-Estimated request/sec for 1 active user : 0.06

-Total expected request/second to the server = ~5000

I am expecting this traffic between 20:00-1:00 everyday and then this values will decrease to 1/10 rest of the day. Is there any solution to this? [e.g increasing server capacity in a specific time period everyday to reduce cost]