hmm mabe u shuld drop either econ / business (its almost the same) , there's much better possibilities with the other 3 ( i/t , accounts & maths)
I/t becomes essential in almost any subject now a days so u might consider that , & accounts is essential when it comes to anything in business , so u might wanna consider that ! , Maths could be your option too if u plan to take BS , probably stat would come in handy !, but for econ its nt that important
but after all all these depends on what u think u wanna b