Estas, as if you conjugate it, its
yo estoy
tú estás
él está
nosotros estamos
vosotros estais
ellos están
Estaba buscando , se quitaron, hicimos
In this case I would say the answer is B) because in total she has to spend less than or equal to 60 and the 60 has to be by itself which eliminates A, C and D
Hope I helped :D