In June, Blackfly Ltd. received a $5,000 cash payment for work billed the previous month. The company replanted a clear-cut area of northern Alberta for which it sent out an invoice for $20,000. At the beginning of the month the company had $1,000 of trees for planting. During the month the company purchased $4.000 more, and at the end of the month it was left with trees that had cost $1,500. The company's expenses were $1.000 in rent for its office and $3.000 in other expenses. Amortization on the truck and office equipment was calculated to be $500. The Income tax rate is 10%. Net income for June was $11.000 $15.500 $9.900 $10.800