By Luc Olinga The iPhone maker seems to have found yet another new way to keep growing its revenue. In the beginning there was the Macintosh. Then came the iPod, iPhone, iPad and Apple Watch and everything in between. Apple (AAPL) – Get Apple Inc. Report has managed to find products that increase revenue and preserve some of the fattest profit margins a company can claim. To complement the product line, the Cupertino, Calif., group led by Tim Cook began to build an empire in services as well: Apple One, AppleCare Technical Support, loans in partnership with Citizens One Personal Loans (CFG) – …