Help about injection molding

Hello guys, below is the product that i should create an injection mold to.
it's 2 different pieces of a box in one mold,from my analysis i concluded that i shuld use a central injection, so that will cause a pin point gating and 3 plates mold, i think that's quite expensive but with lateral injection the pressure went too high, can you guys take a look at the product and help me about a solution to it ?
i will really appreciate that
thank you.