1. **State the problem:** You have a total project cost of $2050$ for hardware and $350$ for Proteus software. You personally spent $350$ for Proteus and $800$ towards the $2050$ hardware cost. Your group has 4 members. Each member gave you $200$ for Proteus and $550$ for the project. You have collected a total of $2450$ from the group. You want to find out how much money you should give to Murali after covering your expenses. 2. **Calculate total expenses you paid:** You paid $350$ (Proteus) + $800$ (hardware) = $1150$ total. 3. **Calculate total money collected from group members:** Each member gave $200$ for Proteus and $550$ for the project. Total per member = $200 + 550 = 750$ For 4 members: $4 \times 750 = 3000$ 4. **Check the total money you have:** You said you have $2450$ total, which is less than $3000$ collected from members. Assuming $2450$ is the actual amount you have. 5. **Calculate how much money you should give to Murali:** Total expenses = $1150$ Money you have = $2450$ Money left after paying your expenses = $2450 - 1150 = 1300$ 6. **Conclusion:** You should give Murali $1300$ after covering your expenses. **Final answer:** $$\boxed{1300}$$