When converted to an iterated integral, the following double integral is easier to evaluate in one order than the other. Find the best order and evaluate the integral. X -dA; R = {(x,y): Osxs5, 1sys2} R (3+xy) Select the correct answer below and fill in the answer box to complete your choice. O A. It is easier to integrate with respect to y first. The value of the double integral is (Type an exact answer.) B. It is easier to integrate with respect to x first. The value of the double integral is (Type an exact answer.)