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Shendan's Pizza sells an average of 170 pizzas poe wonk, of which 20% are single-togping pizzas and 80% are supreme pizzas wath multple topoings. Singlos sel for $14 each and incur varable costs of $10. Supromes soll for $16 each and incur variable costs of $5 The contabution margin par unt and total contnbution margin for Singles and Supremes are