Answer:
Part 1: If STR breach the agreement
A breach of agreement is non-execution of a legally binding obligation. At the point when execution isn't at any rate significant, a break is a material. At the point when a breach is considerable, a breach is minor
STR had interrupt in setting the tiles and Only a large portion of the sum has been dispatched, which isn't even significant. Henceforth STR breach the agreement.
Part 2
At the point when gatherings go into contract they have certain obligations to perform as indicated by contract terms. For instance, on the off chance that somebody employ development firm to fabricate something, at that point development firm has obligation to finish the development according to the terms of agreement and recruiting party have obligation to pay according to contract. In this way, right answer is obligations.
Part 3
The nonperformance of obligation alludes to non-finish of the legally binding commitments, which is penetrate of agreement. Along these lines, right answer is "Yes".