12 simple questions about Delaware c corporation taxes and personal CEO taxes

Delaware C Corporation. SaaS business (only online product). The company has a bank account in the USA. Company revenues from the USA and other countries. One founder-shareholder. He is the CEO. He is a non-resident of the USA. He is a citizen of Russia. He is constantly located in Russia. CEO compensation (and dividends) will transfer it from a company bank account in the USA to an individual debit card of a bank in Russia. Below are 12 questions. Delaware C Corporation taxes and payments: - what taxes and payments should a company pay? - how much to pay? - based on what laws? - when to pay? - what tax return/another should the company send? - where tax return/another should the company send? - when tax return/another should the company send? Personal taxes and payments for individuals (CEO compensation and dividends): - is it possible to pay personal income tax only in Russia based on the "Income tax convention between the USA and Russia"? - if so, do I need to send any reports somewhere in the USA that personal taxes are paid in Russia? - when to send this report? - where to send this report? - do I need to pay any else taxes and payments as an individual in the USA (if income tax is paid in Russia)?