can someone can help me how to calculate it?

WA Suppliers are currently offering the same products at different prices. Please help to determine which price and which one supplier to purchase from? Salty's-Supplier Quotations Unit Quantity Itom Unit Size Unit Price Total Supplier Tracy's Trading Beef Tenderloin KG $48.00 100 KG $31.95 78 26/30 RH Tiger Prawns Halibut Fillets $410 135 Zhu's Foods Beef Tenderloin LB $21.50 220 LB $14.75 172 26/30 RH Tiger Prawns Halibut Fillets LB $18.75 297 Olay B's Beef Tenderloin 100g $4.75 1000 100g $3 45 780 26/30 RH Tiger Prawns Based on this, please answer the following questions: Which supplier is offering the best overall price? What are the overall: Weekly savings? Yearly savings? Who offers the best prices on each item