In the month of December, Bernie's Bargain Barn had sales of $9,820 in their clothing department, $4,035 in their shoe department and $1830 in accessories. If 17% of the merchandise purchased from the clothing department was returned, 8% was returned shoe department and 3% was returned in accessories, what percent of the total revenu December were the returns if full refunds were given on all merchandise? Calculate to four- figure accuracy.​