my advice is start working first. since you have no idea what you want to pursue for education and career. and to be honest, having a private degree in business and engineering dont really help much, if you're a fresh grad. only the lower-tier companies will recognise them. even then, your pay isnt going to be much higher than a dip. for the amount you're paying for your degree, not worth it.

hence, just go look for job. apply both biz and eng positions. go to interviews. find out more about the different roles. accept the low pay, tell your interviewers you want to learn. once inside, if you really like the role and see yourself advancing in that role, that's when you go for further education, to enhance your knowledge.