The refurbished T-shirt costs $5 / 2 = $<<5/2=2.5>>2.5.
He earn $2.5 x 6 = $<<2.5*6=15>>15 for the refurbished T-shirt.
He can earn $5 x 2 = $<<5*2=10>>10 for the T-shirts.
He can earn $4 x 1 = $<<4*1=4>>4 for the pants.
He can earn $6 x 4 = $<<6*4=24>>24 for the skirts.
Therefore Karl can earn a total of $15 + $10 + $4 + $24 = $<<15+10+4+24=53>>53.
#### 53