Newport, Inc. used Excel to run a least-squares regression analysis, which resulted in the following output:

Regression Statistics
Multiple R	0.7232
R Square	0.8507
Observations	30

	Coefficients	Standard Error	T Stat	P-Value
Intercept	45,000	3,624	2.86	0.021
Production (X)	5.78	0.4641	14.59	0.000

a. What is Newports total fixed cost?

Total fixed cost

b. What is Newports variable cost per unit? (Round your intermediate calculations to 2 decimal places.)

variable cost

c. What total cost would Newport predict for a month in which they sold 5,000 units?

total cost

d. What proportion of variation in Newports cost is explained by variation in production? (Round your intermediate calculations to 2 decimal places.)

proportion of variation