Can you please help me correct answers in the red cases?

SKieso, Intermediate Accounting, 16e Intermediate Accounting( CALCULATOR STANDARD VIEW PRINTER VERSION Exercise 8-9 Fong Sai-Yuk Company sells one product. Presented below is information for January for Fong Sal-Yuk Company Inventory Sale Purchase Sale Purchase Sale 100 units at $5 each 80 units at $8 each 150 units at $6 each 120 units at $8.75 each 160 units at $7 each 100 units at $9 each Jan. 1 4 11 13 20 27 Fong Sal-Yuk uses the FIFO cost flow assumption. All purchases and sales are on account