4. Georgina spends 20' hours each week making wooden toys for poor children. She is able to make 20 toys per week. Sometimes, her niece Penny helps. With Penny's helpJ Georgina is able to make more toys. The number of hours that Penny helps varies from week to week. The following table shows the relationship between the number of hours Penny helps and the number of toys Produced. # Hours Penny helps # Toys made 0 20 1 22 2 24 3 26 4 23 5 30 The graph below depicts the relationship between the number of hours Penny helps per week and the corresponding number of toys that can be made. # Toys made (per week) 32 28 24 20 16 12 8 4 0 0 1 2 3 4 5 6 # Hours Penny works a. Which is the dependent variable? Which is the independent variable? b. Calculate the slope of the line. c. If Penny puts in one more hour, how many more toys will be produced? d. Now suppose Georgina decides to work for 30 hours per week. Show on the graph the effect this will have on the line