Tgx recognized $2 million in shipping and delivery costs for its excavators. tgx recognized $6 million in direct labor expenses. tgx recognized $3 million in commissions paid to its salespeople for selling the excavators. tgx purchased $60 million in raw materials in 2018, of which $50 million was in cash. raw materials required to assemble each excavator cost $300,000 per excavator. calculate tgx’s 2018 gross profit based on the transactions described above.