lecture

$29.16

$10.21

$11.63

$4.07

$14.58

$5.10

$14.58

$5.10

$32.81

$11.48

$14.58

$5.10

$14.58

$5.10

$12.39

$4.34

$16.00

$5.60

$14.58

$5.10

$16.04

$5.61

$16.73

$5.86