
Answer:
1. Total cost of purchases for the month
2. Materials price variance
3. Materials quantity variance
= (actual quantity used - standard quantity allowed) x standard price = (185,000 - 170,000) x $0.17 = $2,550 unfavorable
4. Net materials variance
Explanation:
Actual purchase price  $0.175 per page
Standard quantity allowed for production  170,000 pages
Actual quantity purchased during month  200,000 pages
Actual quantity used during month  185,000 pages
Standard price per page  $0.17 per page