See the pattern here
$3.70 $4.20
$4.20
$7.50 $8.40
$8.40
$7.40 $8.40
$7.90 $8.90
$7.60 $8.40
$9.40 Sold Out
$8.40 Sold Out
$8.60
$4.95 $5.60
$4.80 $5.60
$5.60
$13.40 $16
$15.80 $18.20
$21 $23
$10.70
$5.10
$4.60 $5.20
$3.85