New equipment being considered by the Johnny Pickles Brewing Company is projected to increase current sales from $12,655 to $14,335. Direct labor resulting from increased production will go from $4,635 to $5,647. Direct material will increase from $3,174 to $4,234. Variable overhead is expected to stay the same at $945. The fixed expenses are expected to stay the same at $1,703. What are the total differential variable overhead costs for the Johnny Pickles Brewing Company if it decides to purchase the new equipment?