To encourage productivity, Manuel has the following differential piecework schedule in his garment factory. Garments Produced Rate Per Item 1000 or less $0. 72 1001-1100 $0. 78 More than 1100 $0. 84 Adam produced 1229 garments one week. His total piecework earnings for the week were: a. $1027. 12 b. $1043. 12 c. $1054. 56 d. $1067. 52