please help me with the first three questions

Squirrel Co. operates in a lean manufacturing environment. For June production, Squirrel purchased 6,000 units of raw materials at $6.00 per unit on account. The Journal entry required to record this transaction is a. Finished Goods 16,000 Accounts Payable 36,000 b. Raw and In Process Inventory 36,000 Accounts Payable 36,000 Cc. Raw Materials Inventory 16,000 36,000 Accounts Payable Od. Cost of Goods Manufactured Accounts Payable 36,000 36,000 Schedule of Activity Costs Quality Control Activities Activity Cost Process audits $51,700 Training of machine operators 25,200 Processing returned products 17,800 Scrap processing (disposal) 24,300 Rework 8,100 Preventative maintenance 31,700 Product design 41,100 Warranty work 7,900 Finished goods inspection 22,100 From the provided schedule of activity costs, determine the total activity cost. a. $229,900 b. $101,900 Cc. $278,179 Od. $150,900 A customer service department has the following resolution response time data: Average Response Time First contact 0.25 hr Service scheduling 0.50 hr. Wait for service 24.00 hrs. Service 1.50 hrs. Total resolution time 26.25 hrs. What is the value-added ratio (rounded to one decimal place) in this process? Ca. 8.6% Ob. 5.7% Oc. 91.4% d. 28.6%