A manufacturer makes a product for $ $8$ ?and adds a $25\%$ ?profit on cost $.$ ?They sell to a wholesaler who sells it for $50\%$ ?markup based on cost $.$ ?The retailer marks it up by $33\mathrm{.}33\%$ ?on wholesaler selling price and sells the product to the consumer. What is the total $ markup in going from manufacturer $$ s cost to consumer purchase price, i $.$ e $.,$ ?the $ difference between the two?