0656000 and the estimated total costs to complete had not changed. The progress billings during 2021 were $5000000 and the cash collected during 2021 was 3220000. Ivanhoe uses the percentage-of-completion method. For the year ended December 31, 2021, Ivanhoe would recognize gross profit on the building of:

Plastic and steel are substitutes in the production of body panels for certain automobiles. if the price of plastic increases, with other things remaining the same, we would expect: a) the demand curve for plastic to shift to the left. b) the price of steel to fall. c) the demand curve for steel to shift to the left d) nothing to happen to steel because it is only a substitute for plastic. e) the demand curve for steel to shift to the right