Answer the below questions for the problem:

$1.$ Assume Delph uses plantwide predetermined overhead rates based on machine hours.

A$.$ Compute the plantwide predetermined overhead rate.

B$.$ Compute the total manufacturing cost assigned to job d$-70$ and job c$-200.$

C$.$ If Delph establishes bid prices that are $150\%$ of total manufacturing costs, what bid prices would it have established for job d$-70$ and job c$-200?$

D$.$ What is Delph's cost of goods sold for the year?