Increased financial support could help to raise the quality of locally made films and allow them to compete with the foreign productions that currently dominate the market.

quoted from http://ielts-simon.com/ielts-help-and-english-pr/2015/06/ielts-writing-task-2-foreign-films-essay.html

Have an author made a slip not using the verb in an agreement with the subject, or there's something that I'm missing out, misreading?

Thanks in advance for all who'll be taking time to answer.

Increased financial support could help to raise the quality of locally made films and allow them to compete with the foreign productions that currently dominate the market.

quoted from http://ielts-simon.com/ielts-help-and-english-pr/2015/06/ielts-writing-task-2-foreign-films-essay.html

Have an author made a slip not using the verb in an agreement with the subject, or there's something that I'm missing out, misreading?