Spring 68. The shoe buyer ran a point-of-sale promotion on ballet flats for as Sale weekend at 30% off. Here is what was sold during the sale. 600 ballet flats with an original retail of $79.00 720 ballet flats with an original retail of $69.00 Calculate the following: a. Total markdown $ for the sale. b. Total sales $ generated for the sale. c. Markdown % for the sale