public boolean buildProduct(String productName){
        for(ManufacturedProduct mfp : this.inventory.getManufacturedProductList()){
            if(mfp.getProductName().equals(productName)){
                for(String rm : mfp.getRawMaterialList()){
                    for(RawMaterial rm1 : this.inventory.getRawMaterialList()){
                        if(rm.equals(rm1.getProductName())){
                            rm1.setQuantity(rm1.getQuantity()-1);
                        }
                    }
                }
            }
        }
        return true;
    }