Answer:
1. Degree of Operating Level = %Δ in EBIT / %Δ in sales
2.3 = %Δ in EBIT / 10
%Δ in EBIT = 2.3*10
%Δ in EBIT = 23
Hence, the percentage change in EBIT is 23%
2. Operating Income Expected = Operating Income * (1+%Δ in EBIT)
Operating Income Expected = $58,500 *(1+23%)
Operating Income Expected = $58,500 *1.23
Operating Income Expected = $71,955