In VBA define a function named spaghetti, where spaghetti - (x + 8)". Variable x must be taken as integers and the output of function spaghetti should be an integer. (15%) (a) If farfalle is a function of variables a and b, and is saved in an excel workbook called book1, how do you call function farfalle in another excel workbook? (15%) (b) (c) we define function linguine and fusilli in VBA as follows Function linguine(x) M = x * 10 linguine - fusilli(M) End Function Function fusilli(y) fusilli - y + 2 End Function What are the values of linguine(5.5) and fusilli(9)? Show your essential calculations. (40%) (d) We define function penne in VBA as follows Option explicit Function penne (p As integer) If p