Read the passage and answer the questions below.

Six web surfers $\mathrm{M}, \mathrm{N}, \mathrm{O}, \mathrm{P}, \mathrm{X}$, and Y each had 30 stars which they distributed among four bloggers $\mathrm{A}, \mathrm{B}, \mathrm{C}$, and D . The number of stars received by $A$ and $B$ from the six web surfers is shown in the figure below.

No.of Stars received by Bloggers A and B

The following additional facts are known regarding the number of stars received by the bloggers from the surfers.

1. The numbers of stars received by the bloggers from the surfers were all multiples of 5 (including 0 ).
2. The total numbers of stars received by the bloggers were the same.
3. Each blogger received a different number of stars from $M$.
4. Two surfers gave all their stars to a single blogger.
5. $D$ received more stars than $C$ from $Y$.