Respuesta :

Answer:

a. 0.40p

b. 1.4p

c. $78.4

d. $22.4

Step-by-step explanation:

a. 0.40p

b. Retail price = p + 0.4p = 1.4p

c. Retail price = 1.4 (56) = 78.4

d. Mark-up price = 0.4 (56) = 22.4