ARM Company has a December 31 year-end. They provided web design services worth $40000 in December 2020 and were paid $10000 in cash at that time with the rest paid in January 2021. The employees who performed the web design services were paid $25000 for their work in January 2020. Based on these data, how much net earnings would be reported by ARM in December 2019 on accrual basis (ignore taxes)?​

Find a parametrization for the curve「and determine the work done on a particle moving along γ in r3 through the force field f: r^3--r^3'where f(x,y,z) = (1,-x,z) and (a) im (γ) is the line segment from (0,0,0) to (1,2,1) (b) im (γ) is the polygonal curve with successive vertices (1,0,0), (0,1,1), and (2,2,2) (c) im (γ) is the unit circle in the plane z = 1 with center (0,0,1) beginning and ending at (1,0,1), and starting towards (0,1,1)