The SB Instrument company makes three types of string instruments: mandolins, dobros and ukuleles, and they are trying to maximize their profits. The availability of the two major inputs, labor and hardwood, are constrained, and the requirements for each product are presented in the screen shot below. What is the maximum profit the company can earn under these constraints? Note that the number of each product produced must be an integer. Number Produced D Labor Hardwood Product Required in Required in hours pounds Mandolins 5 4 Dobros 4 3 Ukuleles 3 2 Profit in dollars 2 1 3 1 4 1 5 6 Constraints NA 60 50 40 500 300 $1500 $4200 $6000 $6800