Goodison handheld calculators in two modes-basic and professional Goodson estimated 521.000 m consumed 285,000 hours The predmned over one machine hours as the espectively etr a 15.000 h bases $140 per machine out wh ours for the poor The basic model consumed 230.000 race hours and the Blessional model a ted overhead cos were m ore professional or by 02.000 and 30000 Read the en t Requirement 1. Gooners to prode 220.000 bosc models and 220.000 profesoral models compte te prece d Begin by selecting the formato c he prend overhead on then the compute the location ity and co v o u ch dis Ether s e modelo n et our ha OY Goodison handheld calculators in two modes-basic and professional Goodson estimated 521.000 m consumed 285,000 hours The predmned over one machine hours as the espectively etr a 15.000 h bases $140 per machine out wh ours for the poor The basic model consumed 230.000 race hours and the Blessional model a ted overhead cos were m ore professional or by 02.000 and 30000 Read the en t Requirement 1. Gooners to prode 220.000 bosc models and 220.000 profesoral models compte te prece d Begin by selecting the formato c he prend overhead on then the compute the location ity and co v o u ch dis Ether s e modelo n et our ha OY