Remedies specified"(a) To an injunction restraining such infringement;
"(b) To pay to the copyright proprietor such damages as the copyright proprietor may have suffered due to the infringement, as well as all the profits which the infringer shall have made from such infringement, and in proving profits the plaintiff shall be required to prove sales only and the defendant shall be required to prove every element of cost which he claims, or in lieu of actual damages and profits such damages as to the court shall appear to be just, and in assessing such damages the court may, in its discretion, allow the amounts as hereinafter stated, but in the case of a newspaper reproduction of a copyrighted photograph such damages shall not exceed the sum of two hundred dollars nor be less than the sum of fifty dollars, and such damages shall in no other case exceed the sum of five thousand dollars nor be less than the sum of two hundred and fifty dollars, and shall not be regarded as a penalty:
"First. In the case of a painting, statue, or sculpture, ten dollars for every infringing copy made or sold by or found in the possession of the infringer or his agents or employees;
"Second. In the case of any work enumerated in section five of this Act, except a painting, statue, or sculpture, one dollar for every infringing copy made or sold by or found in the possession of the infringer or his agents or employees;
"Third. In the case of a lecture, sermon, or address, fifty dollars for every infringing delivery;
"Fourth. In the case of dramatic or dramatico-musical or a choral or orchestral composition, one hundred dollars for the first and fifty dollars for every subsequent infringing performance; in the case of