Joomla 4 tasks - to begin IMMEDIATLY, FAST PAYEMENT

Hello, to begin IMMEDIATLY, FAST PAYEMENT On a Joomla website we need you for 4 task : 1) Change admin password + delete an old webmaster email 2) we have a bug in mobile menu, subpages are displayed... (Budget: $49 - $50 USD, Jobs: Joomla, Web Development)