Innute of a MD Innute of h NAD The table gives marginal product data for resources a and b. The output of these independent resources sells in a purely competitive market at $1 per unit. Assuming the prices of resources a and b are $5 and $8 respectively, what is the profitmaximizing combination of resources? 6 of a and 4 of b 4 of a and 4 of b 7 of a and 7 of b 5 of a and 7 of b