Rite and Bilt Contractors Inc. agrees to build a motel for Slumber Motels Corporation. The project proceeds according to plan, however before it is done, Slumber tells Rite and Bilt to quit. Rite and Bilt may recover
a) The contract price less costs of materials and labour
b) The contract price
c) The costs needed to complete construction
d) Profits plus the costs incurred up to the time of the breach