Light from a laser beam with a wavelength of 530 nm passes through a narrow single slit and observed on a screen 1.0 m behind the slit. The first minimum of the diffraction pattern is 0.84 m from the central maximum. How wide is the slit?
A) 824 nm
B) 791 nm
C) 757 nm
D) 723 nm
E) 689 nm