1. (modified from B&T, 1'1'5)
A company produces two kinds of products. A unit of product f1 requires 1/4 hours of assembly
labor, 1/8hoursof testing,and$1.2worthof rawmaterials. Aunitof products2requires1/3hours
of assembly, 1/3 hours of testing, and $0.9 worth of raw materials' There a"re 90 hours of assembly
labor and 80 hours of testing available, each day' Products ff|' and ff2 can be sold for $8 and $10 per
unit, resPectivelY'
(a) Formulate a linea.r programming model to maximize daily profit'
(b) Solve the problem geometrically'