Question $39$

$1$ pts

$\backslash$table$[[\backslash$table$[[$Output$],[($pizzas per hour$)]],\backslash$table$[[$Total cost$],[($dollars$)]]],[0,20],[1,35],[2,49],[3,61],[4,71],[5,79],[6,85]]$

Paulette owns a pizza parlor. Her total cost schedule is in the above table. Her total variable cost of producing four pizzas per hour is

$$ $$20.$

$$71.$

$$51.$

$$49.$

Some amount, but more information is needed to determine this total variable cost.