please explain correct answer

Incorrect Question 15 0/4 pts The recording of the jobs shipped and customers billed would include a debit to: Finished Goods Finished Goods: Incorrect. Cash Accounts Payable Cost of Goods Sold Incorrect Question 16 0/4 pts If the ending raw materials inventory balance is $270 and there were $600 of net purchases and $500 of materials were placed in production, what is the beginning raw materials inventory balance? $70 incorrect $170 $870 $770