Exercise 5-36 Methods of Estimating Costs: Simple Regression (LO 5-5) Adriana Corporation manufactures football equipment. Simple regression results from the data of Adriana Corporation are as follows: Equation: Overhead = $43,499 + ($87.70 x Machine-hours) Statistical data Correlation coefficient .617 .381 R2 Required: Estimate overhead if the company expects the plant to operate at a monthly average of 9,110 machine-hours next year. Overhead costs