Cost of the jacket before discount = 36.95
Cost of the jacket after discount = 0.8 x 36.95 = 29.56
Cost of the shirt before discount = 21.42
Cost of the shirt after discount = 2/ 3 x 21 .42 = 14. 28
The total price of the jacket and shirt on friday,before sales tax
= 29.56 + 14. 28
= 43.84