The Alpha Company uses the retail inventory method for valuation of its inventory. If an item had a cost of $45, was originally marked to sell at $60, was later priced at $55, and finally was priced at $68, the resulting price change is a a. net markup of $13. b. net markdown of $5 and a markup of $8. c. net markdown of zero and an a markup of $8. d. net markup of $23.

Bakery has bought 250 pounds of muffin dough. they want to make waffles or muffins in half-dozen packs out of it. half a dozen of muffins requires 1 lb of dough and a pack of waffles uses 3/4 lb of dough. it take bakers 6 minutes to make a half-dozen of waffles and 3 minutes to make a half-dozen of muffins. their profit will be $1.50 on each pack of waffles and $2.00 on each pack of muffins. how many of each should they make to maximize profit, if they have just 20 hours to do everything?