The service charge shall be inclusive of all charges incident to investigating and making the contract and for the extension of the credit provided for in the contract, and no fee, expense or other charge whatsoever shall be taken, received, reserved or contracted for except as otherwise provided in this chapter.

6 Del. C. 1953, § ?4318; 52 Del. Laws, c. 342; 63 Del. Laws, c. 2, § ?16;