In last month's budget, a company anticipated selling 48160 units of its product, with total industry sales expected to be 3017627 units. The actual sales level was just 45512 units with market share of 0.0149. The average sales price was $4.42, while the company had budgeted for $4.88. In addition, actual variable costs were $107046, while the budget had anticipated variable costs of $103450.

Calculate Ia(round to 3 significant digits).

Calculate Sb(round to 3 significant digits).

Calculate the market share variance (absolute value, round to whole number).

Is the above variance favorable or unfavorable?