Determine the order and degree in the differential equation. Also state if it is a linear or non linear. $y +\frac{dy}{dx} = \frac{1}{4} \int y dx$

Question

$(A)\; Order \;2, degree\; 2$
$(B)\; Order \; 2 \; , degree \; 1$
$(C)\; Order \; 1 , degree \; 2$
$(D)\; Order \; 1 \; , degree \; 1$