The figure below shows two cantilevered beams connected at the center by a riveted joint (hinge). Assume there is no friction at the riveted joints such that the beams can freely rotate relative to each other. Assume Young's modulus of the beam material E = 90 GPa and the moment of inertia of the beam cross section I = 1.2 x 10- m. If your student ID = 2021005345, then F = (60+5) N8 N. If your student ID = 2021005340, then F = (60+4) N = 7 N y X -1m F -1m a. Determine the element stiffness matrices and the element force vectors. b. Determine the global stiffness matrix and global force vector. c. Apply the boundary conditions and determine the unknown deflection(s) and slope of one of the beams at the joint. d. Also determine the unknown reaction force(s). e. Write a Matlab code to solve this problem and show the results.