Computing Gross Profit

The following data were taken from the accounts of Burnside Bedknobs, a retail business.

Sales

Sales returns and allowances

Sales discounts

Merchandise inventory, January $1$

Purchases during the period

Purchases returns and allowances during the period

Purchases discounts taken during the period

Freight$-$in on merchandise purchased during the period

Merchandise inventory, December $31$

$$116,700$

$1,170$

$420$

$31,900$

$97,600$

$1,830$

$2,780$

$1,420$

$52,100$

Determine the gross profit.