Heightened Homes is a real estate firm based in Texas. The company ensures that employees' pay is dependent on what they are capable of doing. The company also supports efforts to empower its employees by encouraging them to be independent and to make decisions in various areas. This, in turn, ensures job enrichment. Based on this information, identify the pay structure being utilized by Heightened Homes. Select one: a. straight piecework plan b. skill-based pay systems c. merit pay system d. differential piece rates e. standard hour plan