Cost of materials: $4.40 (yarn) + $5.00 (buttons)= 9.40 total cost
Sold for $20.00

Pattern in note form (this is what the written up pattern is based on):

Part 1 (rounds): M.loop;12;18;24;30;36;36;36;

Part 2 (rows):24dcx13;10dc,dc4tog,10dc;sc10,slst, fold right-sides together and make a seam by slip stitching through top of dc and sc x10, ch1.

Part 3 (first part of edging):
A: 2sc in edge of each dc along sides, and in top of each dc from toes section including the one that also has a dc in from the foot section (28 + 28 + 13 = 69). (the very last st will go into the top of the seam.
B: ch1, sc in next 2 st, sc3tog, sc in next 21 st, sc3tog, sc in next 9 st, sc3tog, sc in next 21 st, sc3tog, sc in next 4 st, slst to close.

Part 4: second part of edging in contrast colour.
join contrasting yarn and sc in each st around, doing sc2tog in the front two corners. On the 11th sc on the second side (for second slipper, do this on the first side) ch24 for button loop, join w/ slst, continue sc edging.