Dunder Ltd. has two product lines, H and G. The following information is available: H G Sales $8774 $15442 Variable costs 5065 8254 Contribution margin 3709 7188 Fixed costs: Avoidable 2343 2800 Unavoidable 1866 2000 Operating Income $-500 $2388 Dunder Ltd. is considering discontinuing product line H. This would increase sales of product line 6 by 44% without increasing fixed costs. If the company does decide to discontinue product line H, operating income will increase (decrease) by: Select one: a. $-2412 b. $-546 c. $5428 d. $1797