One December $31,2024,$ Pluto Corp. has the following securities in its portfolio of temporary investments.

December $31,2024$

$\backslash$table$[[,$December $31,2024,],[$Investments$,$Carrying Amount,Fair Value$],[7,000$ common shares of Jupiter Corp.,$ $120,000,$$ $140,000],[5,000$ common shares of Saturn Corp.,$75,000,77,500],[500$ common shares of Mars Corp.,$90,000,63,450],[$Total portfolio,$ $285,000,$$ $280,950]]$

All of the securities had been purchased in $2024.$

In $2025,$ Pluto completed the following securities transaction:

Mar. $1$

Sold the $500$ common shares of Mars Corp. at $$125$ per share, less fees at $$700.$ June $1$

Bought $1,000$ common shares of Venus Corp. at $$50$ per share, plus fees of $$1,000.$

Required:

Assuming Pluto uses the FV$-$NI approach, prepare the general entries for:

a$)$ the $2024$ year$-$end adjusting entry

b$)$ the sale of the Mars Corp. shares

c$)$ the purchase of the Venus Corp. shares

d$)$ the $2025$ year$-$end adjusting entry.