I am having troubles getting this Solver to work properly. Could you help me troubleshoot why it isn't working?

A B C D E F G H K 1 Department Hours per E-9 Hours per F-9 Total Available Hours OO Solver Parameters 2 A 10 15 150 3 B 20 10 160 Set Objective: $B$7 4 Profit 5000 4000 To: . Max O Min O Value Of: 0 5 6 Objective By Changing Variable Cells: 7 Max P= $ 49,000.00 $B$11:$C$11 8 Subject to the Constraints: 9 Variables: $B$11:$C$11 = integer Add 10 E-9 F-9 $B$11:$C$11 > = 0 $D$14