Please explain the solution to this general accounting problem with accurate principles.

Ayayai Company budgeted selling expenses of $37,200 in January, $43,400 in February, and $49,600 in March. Actual selling expenses were $38,600 in January, $42,800 in February, and $57,040 in March. The company considers any difference that is less than 5% of the budgeted amount to be immaterial.

Can you help me solve this financial accounting question using the correct financial procedures?