New equipment being considered by the Johnny Pickles Brewing Company is projected to increase current sales from $12,976 to $14,058. Direct labor resulting from increased production will go from $4,674 to $5,577. Direct material will increase from $3,237 to $4,220. Variable overhead is expected to stay the same at $914. The fixed expenses are expected to stay the same at $1,599. What are the total differential variable overhead costs for the Johnny Pickles Brewing Company if it decides to purchase the new equipment