The fixed-end member shown in Figure P6.6-13 is a W21 × 68 of A992 steel. Bending is about the strong axis. What is the maximum permissible value of Q, a service live load? (Moments can be computed from the for- mulas given in Part 3 of the Manual.) a. Use LRFD. b. Use ASD. 20' D = 70 k L = 200 k 10' 10' FIGURE P6.6-13