Factorize a^3+b^3+a+b plz . in advance

Equation solving
a³ + b³ + a + b 
1³ (a+ b) + 1 (a+b)
(1³ + 1) + (a + b)
2 + (a+b)

Answer = 2 + (a+b)

Ais the correct one

The answer is c because you turn 17.5% into a decimal which gives you .175 then you times that by $361.35 which gives you 63.23625 but then you round that which gives you 63.24. then you at 63.24 pulse 361.35 and you round it which gives you $425